How do you write twice the sum of 15 and a number into an expression?

What bigger 456 inches or 38 ft?

Distributive property 6 (s-9) = 48

Courtney works at the local shoe store and receives $150 a week plus 3% of all sales over $1000. This week her sales were $3200. Find her commission using composition of two functions; then find her total earnings for the week.

A culture started with 3,000 bacteria. After 6 hours, it grew to 3,600 bacteria. Predict how many bacteria will be present in 13 hours. round your answer to the nearest whole number ... exponential growth formula

What is the value of a, if a2 - 64 = 0 and a > 0

Mary spent a total of $290.28 for a party. She spent $200.22 on food, plus an additional $30.02 for each hour of the party. How long was the party?

Satellites are objects that revolve around another in space. Satellites with 1 sufficient velocity will move in an almost circular or elliptical path around the Earth.

Simply the expression 9a-b-2a-10b

Simplify 1/6+1/4-1/3

What is 32 in expanded form