What is the sum of the sequence?
−32+(−34)+(−36)+...+(−778)+(−780)=< br /> Is it -152250 I need a good explanation!!!

For each proportion find the unknown number x 1/5/8=×/15

If you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain.

Which value of y will make the inequality y< -1 false?