Find the surface area of the sphere with the given dimension. leave your answer in terms of pi

radius of 40 m
a. 6400 pi m^2
b. 4800 pi m^2
c. 3200 pi m^2
d. 1600 pi m^2

5.(04.07) two different plants grow each year at different rates, which are represented by the functions f(x) = 4* and g(x) = 5x + 2. what is the first year the f(x) height is greater than the g(x) height? year 3 year 0 year 2 year 1

What are the digits that repeat in the smallest sequence of repeating digits in the decimal equivalent of 24/11?

Kai walked one and two-thirds of a mile on saturday and four and one-sixth of a mile on sunday. how many miles did kai walk?