What is the radius of a circle that has circumference of 81pi square inches?

A. 9 inches

B. 18 inches

C. 40.5 inches

D. 81 inches

How do I Factor 9x^6 - 16y^6

1) A spice merchant divided 9/10 of a pound of ground cinnamon into 9 equal packages. He then sold the ground Cinnamon to restaurants and bakeries.

357 is what percent of 510?

A rectangular patio has an area of 91 ft squared. The length is 6 feet longer than the width. Find the dimensions of the patio area. Solve by completing the square. a. find the width and the length in terms of w b.

A scoop of ice cream, shaped like a sphere with a diameter of 6 cm, is placed in an ice cream cone with diameter 5 cm and height 12 cm. Is the cone big enough to hold all the ice cream if it melts? Explain.

Fran reads 75 pages every week, if there are 4 weeks in a month, how many pages can she read in a month

Solve the triangle. 1) B = 71°, b = 15, c = 8

Arnold had three pieces of different colored strings that are all the same length. Arnold cut the blue string into 2 equal size lengths. he cut the red string into 3 equal-size length, and the green string into 6 equal-size.

Earl and Sean provide the following proofs for vertical angles to be equal. Earl's proof: angle 1 + angle 2 = 180° (PQ is a straight line) angle 3 + angle 4 = 180° (PQ is a straight line) Therefore, angle 1 + angle 2 =

Determine the slope of the line 6x + 3y + 10 = 0. -2 negative one half one over two 2