Mary is 5 years older than Bob. If the sum of their ages is 39, write and solve an equation to find their ages

david want to go on vacation to puerto rico which is going to cost $1,025 for his birthday his brother gave him $200 in addition he earns $11 an hour working at a local grocery store.

21-9 + 4X minus 5X equals 8X subtract 7X + 4+6

Chloe is baking cookies to sell in boxes of 12 cookies. If she bakes 112 cookies, calculate the number boxes she can fill and the number of cookies that will be left over. Explain how you got your answer.

Recess began at 11:12am. It ended at 11:44am. How long was recess?

The sum of the ages of two brothers billy and marc is 80. Billy is 22 less then 2 times marc. How old is each brother?

Two angle in a triangle equal 120° What is the measure of the third angle?

Kevin makes a base salary of $380 per week plus 4% commission on his total sales as a used car salesman. If he had $45,000 in sales, how much money did he make last week all together?

A bicycle's speedometer measures speed to the nearest 0.1 miles per hour. Which is the most appropriate way to report speed using the bicycle's speedometer? A.) 17MPH B.) 17.1 MPH C.) 17.15 MPH D.) 20 MPH

Use the triangles at the right to find the trigonometric ratio

7. The largest tree in the world by volume is in Sequoia National Park. The diameter at the base is 36 feet. If a person with outstretched arms can reach 6 feet, how many people would it take to reach around the base of the tree?