The midpoint of a segment with endpoint (8,a) and (b,4) is (-1,-1) What’s the value of a and b
Answer choices is
A. 10 b. 6
A.6 b.10
A. -6 b. -10
A. -10 b.-6

In the equations, a and b represent the price per night for a room in hotel a and hotel b, respectively, w weeks after september 1 last autumn. what was the price per night in hotel a when it was equal to the price per night in hotel b? a = 240 − 20w b = 320 − 30w

What is the measure of angle tvu shown in the diagram below

The radius of a sphere is 3 inches. which represents the volume of the sphere?