Answers edited by Jacq
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Please help, canâ€™t solve?

What is the domain and range of #y =9  x^2#?

How do you convert this equation #4x ^ { 2} + 8x + 3y ^ { 2}  12y + 1= 0# to its graphable form?

How do you simplify #10+2(85b)#?

How do you graph #f(x) = 3x  2#?

Solve the equation #cos^2xsin^2x=sinx+1# in the interval #(0<=x<=2pi)#?

In how many ways can a 12 question true and false exam be answered?

How do you simplify #\frac { 2x } { x ^ { 2} + 8x  9} \div ( \frac { x ^ { 2} + 4x } { x ^ { 2}  81} \cdot \frac { x  9} { x + 4} )#?

Martin wants to buy 4 plastic figures that cost $17 each. How much money does he need to save to purchase the figures?