If 33 laptops cost 30,000 dollars, which proportion could be used to determine the cost of 11 laptops?

Which matrix multiplication is possible?

Identify the parent function that can be used to graph the function f(x)=3(x-9)2

Astudent draws two parabolas both parabolas cross the x axis at (-4,0) and (6,0) the y intercept of the first parabolas is (0,-12). the y intercept of the second parabola is (0,-24) what is the positive difference between the a values for the two functions that describe the parabolas