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• How do you solve the following system algebraically: #x^2+y^2=25#, #x-2y+5=0#?
  
• The graph of f(x) = sqrt (16-x^2) is shown below. How do you sketch the graph of the function y = 3f(x)-4 based on that equation (sqrt (16-x^2)?
  
• The orange graph is the function f(x). How do you describe the transformations on the pink graph and write an equation for it?
  
• What caused the Spanish Civil War and why did Germany and Italy support it? Did Germany's and Italy's support somewhat caused to World War Two? (Please provide resources if you can)
  
• Given f(x) = kx^2-4kx+16, what is the value of k so f(x) = 0 has: a) no real roots, b) two equal roots, c) two distinct roots?
  
• How do you find all values of #theta# for which #sec(theta)=2# where #0^° < theta < 540^°#?
  
• A ball is thrown at 32 m/s [up] from the edge of a cliff 45 m high. What is the maximum height of the ball and at what speed will the ball strike the ground?
  
• 2 sleds tied together are pulled across an icy surface with an applied force of 150 N [E]. The mass of the 1st sled is 18.0 kg and the mass of the last sled is 12.0 kg. The force of friction on each sled is 10 N. Find the magnitude of the tension in the?
  
• A parachutist with a mass of 80 kg is falling at 55km/h when her parachute opens. She then falls 24 m in the next 2 s. What is the force of air resistance acting on the parachute during those 2 s?
  
• A 4768kg roller coaster train full of riders approaches the landing dock at a speed of 17.1m/s. It is abruptly decelerated to a speed of 2.2m/s over a distance of 13.6m. What is the magnitude of the retarding force which acts upon the roller coaster cars?
  
• To stimulate a roller coaster, a cart is placed at the height of 4 m and allowed to roll from rest to the bottom. Find each of the following for the cart if friction can be ignored: a) the speed at the height of 1 m, b) the height when the speed is 3 m/s?
  
• A destroyer sends out a sonar pulse that returns from a submarine in 1.68s. If the speed of sound in seawater is 1531 m/s, how far away is the submarine?
  
• See image below. What is the current through the 8 Ω resistor?
  
• A girl is riding her bike down the street at a speed of 3.5m/s[E] when she hears a fire truck with a siren emitting a sound with a frequency of 425Hz. The girl detects a frequency of 475Hz. The air temperature is 28°C. Is the fire truck moving towards or?
  
• In the diagram below, a series of waves are moving along a string. What is the wavelength (options below)?
  
• Consider the function f(x) = 2x^3+1. a) What is the ordered pair (4, f(4)) on the function? b) What is the ordered pair on the inverse relation that corresponds to the ordered pair from part a)?