The area A of a sector of a circle with radius r and central angle θ, where θ is measured in radians, is given by the formula . A = r2θ A = 1/2πr2θ A = πr2 A = 1/2r2θ A = 1/2πr2

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

Combine like terms to make a simpler expression 3z+z