Find an explicit formula for the geometric sequence - 9, - 18, - 36, - 72, ...

c (n) =

What is the gcf of 3 and 8?

Solve for n: 21k - 3n + 9p > 3p + 12. n > 2p + 7k - 4 n < 2p + 7k - 4 n > - 4p - 7k + 4 n < - 4p - 7k + 4

James walked around 2 rectangular parks. One Measured 5423 centimeters by 3978 centimeters and the other measures 2903 centimeters by 1846 centimeters. How far did he walk?

Find each quotient. 5. 28 =

Twenty one children and three teachers went to the movies. The total bill was $105. The price for teachers (adults) was $1 more than the price for the children. What was the admission price for each child, c, and each adult, a? Oc = $4.00 a = $5.

Eric drove 113 miles on Monday. On Tuesday, he drove 33 miles less than Monday. How far did he drive both days?

First 20 counting numbers in a base 9 number system

What is the factor of 39

Emma needs 40 pieces of string to wrap presents. Each piece of string is 7.5 inches. If the ribbon is only available in feet, how many feet of ribbon does Emma need?

When a number is decreased by 6%, the result is 72. What is the original number to the nearest tenth?