Which equation shows the correct factors for the quadratic equation 24x2 15 = 54.x?
A3(2x - 5)(4x + 1) = 0
B3(2x + 5)(4x - 1) = 0
C3(2x - 5)(4x – 3) = 0
D3(8x2 - 5) = 54x
E3x(8x + 5) = 54x

To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.