Calculate the volume of this regular solid. A sphere with radius of 8 centimeters.

What is the volume of the sphere?

Use the button on your calculator to complete this problem.

Round at the end to the nearest tenth.

Write the expression 7x^3-28xy^2 as the product of 3 factors

I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )

36x2 + 49y2 = 1,764 the foci are located at: (-√13, 0) and (√13,0) (0, -√13) and (0,√13) (-1, 0) and (1, 0)edit: the answer is (- the square root of 13, 0) and (the square root of 13, 0)