Carla must ice a german chocolate cake. the diameter of the cake is 6 cm. use the formula a = 3.14 x r2 to find the area of the cake.

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?

Which expressions equal 9 when x=4 and y=1/3 a. x2+6y b. 2x + 3y c. y2-21x d. 5 (x/2) -3y e. 3x-9y