If the area of a circle is 64 pi what is the diameter

3 (x^2 + 5) (x^2 - 5) multiply and simplify.

Let the function f (x) have the form f (x) = Acos (x + C). To produce a graph that matches the one shown below, what must the value of C be?. A. 1. B. 3. C. 4. D. 2

Avem doua vase de apa turnam din primul vas in al doilea vas atat cat contine al doliea vas, apoi turnam din al doilea vas in primul si asa msi departe. dupa astfel de cinci operatii in cele doua vase raman cate 32l de apa.

What is a horizontal bar used in mathematical notation; in fractions it is the bar that separates the numerator from the denominator, in repeating decimals it indicates a group of repeating numbers?

There was a blizzard. Snow was falling at a rate of 2 ½ inches per hour. If the snow kept accumulating at the same rate, how long would it take for 2 ½ feet of snow to accumulate?

A triangle has side lengths of 14 cm, 48 cm, and 55 cm.

Factor the common factor out of -12+15X

What is the length of one side of a square that has an area of 196 inches

Membership in the Volunteers Club increased by 15% from last year. If the number of members last year was m, complete a simplified expression to represent the number of members this year.

What is the product of 63 and - 59?