What is the nth term rule of the quadratic sequence below? − 5 , − 4 , − 1 , 4 , 11 , 20 , 31 ,

In trapezoid efgh, m∠hef=(4x2+16)∘ and m∠gfe=(5x2+12)∘. find the value of x so that efgh is isosceles. i'm desperate.

How can you decide witch operations to use to slice a two step equation

Simone claims the initial value and y-intercept are the same thing on a graph. is she correct? if you know that a line has a slope of and a y-intercept of 7, what is the equation for that line in slope-intercept form?