Answers created by sushi

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• How do you solve #x-2y= -3# and #x+6y= 1# using substitution?
  
• How do you solve the system of equations #y=-3x-9# and #y=5x-1#?
  
• What characteristic of green plants is shared by green algae?
  
• The radius of a ring is 1.2 cm. What is the diameter?
  
• What is osmosis (and how is it different to diffusion and active transport) ?
  
• How does the kinetic energy of solids, liquid, and gases compare ?
  
• How do you simplify #sqrt20 - 4sqrt5#?
  
• Is light a particle or wave? Why?
  
• How do you solve the system of equations #-2x + 4y = 6# and #2x + y = 14#?
  
• How do you solve # (x + 2)^2 = 16#?
  
• Why does a change in temperature result in a change in state?
  
• How does heat energy affect the movement of water molecules?
  
• How does a refractive index of water compare with that of glass?explain
  
• How do you simplify #(a^ -6) * (b^ 2) / (a^ -3) * (b^8)#?
  
• How do you solve the following system: #-5x + 3y= 6, 8x-3y=3 #?
  
• How do you solve #12-3+ 4m - 6( 3m - 2)]= - 7( 2m - 8) - 3( m - 2) + 3m - 5#?
  
• How do you find the x and y intercept given #y= 4x-2#?
  
• Find the equation of line whose making x intercept 3 and y intercept 8?
  
• Why does our heartbeat stop for a milli second when when we sneeze?
  
• How are learned behaviors related to natural selection?