What's the definition of mean

Trevor earns $7.80 an hour take home pay and works 20 hours each week. Trevor wants to buy a new laptop computer to take to college that costs $780. How many weeks will it take for Trevor to achieve his goal?

Pat is 12 years old James is 3 times as old as pat Raymond is 9 years younger than James. How old is raymond

125m on the ground corresponds to 2.5 cm on a map. What is the actual distance between two objects if they are 4.2 cm apart on the map?

Solve the system of equations using elimination. 2x + y = 9 8x - 2y = 6

salma and ahlam are making cat toys from yarn. salma need 1/2 yard for the toy she is making. ahlam needs 3 times as much yarn as salma. how much yarndose ahlam need

4.80 rounded to the nearest ten dollars

1. What is the median of this data? 6. 12, 7, 5, 11. 6 and 9.

Calculate the area of a 10 inch circle. Round your answer to the nearest hundredth.

Use Lagrange multipliers to prove that the rectangle with maximum area that has a given perimeter p is a square. Let the sides of the rectangle be x and y and let f and g represent the area (A) and perimeter (p), respectively. Find the following.

Solve the inequality 9 (x - 3) < 4 (x + 10). x < 13/5 x > 13/5 x < 67/5 x > 67/5