What is the solution to the following equation? 2x2 + 7x +9=31

A: x = -5.5
B: x = 2 or x = -5.5
C: x = 1 or x = -4.6
D: the equation has no solution.

Which term below correctly completes the following sentence? if a function has a vertical asymptote at a certain x value, then the function is what at that value

The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?

How do i i solve this equation? -18 = x/3 + 3