The formula for the volume of a sphere is upper v equals four thirds pi r cubedv= 4/3πr3, where r is the radius of the sphere. the steel ball to the right is in the shape of a sphere and has a diameter of 3030 millimeters. a. find the exact volume of the sphere. b. find a 2-decimal-place approximation for the volume.

Will mark brainliest if you answer ! the taco shop sold 198 lunches friday. this number is 3 more than 3 times the number they sold monday. let n represent the number of lunches sold monday. which equation shows an equality between two different ways of expressing the number of lunches sold on friday? a. n – 3 = 198 b. 3n – 3 = 198 c. 3n + 3 = 198 d. n + 3 = 198

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.