If you drew a horizontal line on a coordinate plane ,what would you say about the y-coordinates for every point on the line?help please

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

Determine the mean and variance of the random variable with the following probability mass function. f(x)=( 729divided by 91) (1 divided by 9) superscript x baseline comma x equals 1,2,3 round your answers to three decimal places (e. g. 98.765).

Nikita wants to apply for student aid to fund her college education. arrange the steps involved in nikita’s application for financial aid