What is the surface area of a sphere with a radius of 30m? A 3,600 (pie) M ^2
B 90,000 (pie) M ^2
C 1,800 (pie) M ^2
D 900 (pie) M ^2

The point a is at –2 and the point b is at 7. marissa would like to divide this line segment in a 4: 3 ratio, and she would like to use the formula x = (x2 – x1) + x1. what values should she substitute into the formula? a = a + b = x1 = x2 =