Mr. Langley is painting the exterior of his house. He uses 7 1/2 gallons of paint for the surface and 2/3 of a gallon of paint for the trim. He had estimated that he would use 11 gallons of paint. How many gallons of paint was he away from his estimation?

If a =6, what is the value of 2a(3b + 5c)?

The revenue each season from tickets at the theme park is represented by t(c)=5x. the cost to pay the employees each season is represented by r(x)=(1.5)^x. examine the graph of the combined function for total profit and estimate the profit after four seasons

What is always true about a positive integer raised to a negative odd power?