Given the sequence 4, 8, 16, 32, 64, ..., find the explicit formula.

A. an=10 (2n-1)

B. an=4 (2n-1)

C. an=5 (2n-1)

D. an=20 (2n-1)

Solve P=a+b-8 what is a=

It costs $150 to be a member of a music club. A member of the club pays $5 per music lesson. A nonmember pays $15 per music lesson. How many music lessons must a member and a non member take so the cost for each is the same?

What number has 652 in the ones place and 739 in the thousands place

Suppose Joe earned three times as much as Marty during the summer. Together they earned 210. How much did each earn?

Scientific notation for 1,424,600,000?

Johnny B's rectangular garden is 5 feet long and 10 feet wide. He wants to make the area of his garden 6 times as large by increasing the length and width by the same amount. Find the number of feet by which each dimension must be increased.

A certain color of orange paint requires 5 parts yellow paint and 8 parts red paint. how many quarts of red paint do you need if you are using 30 quarts of yellow?

At Mundy's Mill High School, the sophomore class has 40 more students that then freshman class. The junior class has 30 fewer than twice the number of students in the freshman class. The senior class is two times as large as the freshman class.

What is the first step that a smart new-car buyer should take before talking to salesperson and putting a deposit on a car

Solye for x. 8 (x + 1) - 3[X + 4) = 7 (2 - x)