Can someone tell me which are intersecting?

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.

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

Aquadrilateral has exactly 3 congruent sides davis claims that the figure must be a rectangle why is his claim incorrect.