determine the they value of 5 (*+2) - 4 when x=5

The average of 3 numbers is 7. two of the numbers are 8 and 9. what is the third?

14 plus 30 plus? Equals 180

Bill receives 4% commission on sales up to $ 25,000 and 6% commission on additional sales. what commission bill does he get when he sells for $ 80,000?

Watermelon one is 2 kilograms lighter than watermelon two and 5 times lighter than watermelon three. Watermelons one and three together are 3 times heavier than watermelon two. Find the weight of each watermelon.

How are numbers related?

Mike who has 6 video games, has half as many games as paul

The length of a rectangle is 4 cm greater than its width. the perimeter is 32 cm. find the length of the rectangle.

Jenny is exactly 3 years old. Her brother Ken is exactly 17 months old. How many months older than Ken is Jenny?

Annual sales for a restaurant were $575,000 in 2006. Since then, the sales increased at a rate of 3% per year. Write and use an exponential model to find the sales in 2018.

In a triangle ABC, if A=x, B=2x, C=3x, then B=