PLEASE HELP I will give 100 Branly points to anyone hoo can help Which of the following is the equation of a direct variation that has a constant of variation equal to -1/2 A) y = - 1/2 x

B) y = x - 1/2

C) - 1/2 y =x

D) y = -2 x

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.

Factor x2 – 8x + 15. which pair of numbers has a product of ac and a sum of what is the factored form of the

Anew shopping mall is gaining in popularity. every day since it opened, the number of shoppers is 5% more than the number of shoppers the day before. the total number of shoppers over the first 10 days is 1258 how many shoppers were on the first day?