The equation of a circle centered at the origin is x2+y2=64. what is the radius of the circle?

A. 64

B. 32

C. 4

D. 8

Suppose that circles R and S have a central angle measuring 60°. Additionally, the length of the intercepted arc for circle R is 103 π meters and for circle S is 163 π meters.

The Law of Cosines lets you find missing measures in a triangle when you know the measures of two sides and the included angle, or three sides. True or false?

If f (X) = 6X - 4, what is f (X) when X=8?

Prove that the difference of the squares of 2 consecutive numbers is always the sum of the 2 numbers

If a new lacrosse stick is labeled $55, what would the new price be if the sign above it says "76% off"

One third of a number decreased by 5 is - 12. Write an equation.

Adam is painting the outside of a 4-walled shed. The shed is 5 feet wide, 4 feet deep, and 7 feet high. How many square feet of paint will adam need?

Jolene invests her savings in two bank accounts, one paying 4 percent and the other paying 11 percent simple interest per year. She puts twice as much in the lower-yielding account because it is less risky. Her annual interest is 4408 dollars.

If y=3x 2 find the value of y when x=-3

A collection of dimes and quarters is worth $6.50. There are 35 coins in all. How many dimes are there?