Which expressions are perfect square trinomials? check all that apply. x2 + 16x + 8 x2 + 14x + 49 x2 – 5x + 25 x2 – 24x + 144 x2 + 9x – 81

What number should be added to both sides of the equation to complete this square? x^2-10x=7

Find the solution set of this inequality. select the correct graph. |8x+16|> 16

Complete the table for different values of x in the polynomial expression -7x2 + 32x + 240. then, determine the optimal price that the taco truck should sell its tacos for. assume whole dollar amounts for the tacos.