A sphere has the radius of 3, is the volume 83.4? (that is the answer i got but its my first time trying to find the volume of a sphere, i missed this lesson)

Use factoring by difference of squares to solve the equation, x^2 - 81 = 0. A. x = 9 or x = - 11 B. + / - 9 C. + / - D. + / -

In your own words explain the difference between the following two expressions: (-1) ^2/4 and (-1) ^1/2

Jay is letting her bread dough rise. After three hours, her bread dough is / dfrac{11}{5} 5 11 start fraction, 11, divided by, 5, end fraction of its original size. What percent of its original size is Jay's bread dough?

The difference of a number h and 8 is greater than 12 and less than 22

How do i know which is least to greates 125%,6/5,1.22

3. What is the solu3. What is the solution of system? Y = 5x + 4 Y = 5x - 3 A) No solutions B) (0,4) C) Infinitely many solutions D) (0,-3) tion of system? Y = 5x + 4 Y = 5x - 3 A) No solutions B) (0,4) C) Infinitely many solutions D) (0,-3)

True or false, when n is an negative integer, n-n=0

A cars velocity changes from 0 m/s to 30 m/s in 10 seconds

X²+-x+-4y+-2 (x²+-x+-y)

The radius of a cylindrical water tank is 6 ft, and its height is 11 ft. What is the volume of the tank? Use the value for, and round your answer to the nearest whole number. Be sure to include the correct unit in your answer.