When Clark was 7 years old he had 22 rare coins. Each year Clark added 15 coins to his collection. Assuming Clark does not sell or lose any coins, how old will Clark be when he has 577 coins?

Find the slope of the line through (8, - 9) and (-3, - 6). 3/11 - 11/3 11/3 - 3/11

Larina recieved a $50 gift card to an online store. She wants to purchase some bracelets that cost $8 each. There will be a $10 overnight delivery fee. Solve 8n+10=50 to find the number of bracelets she can purchase.

what is 10 less than 812

Here's a quick and easy way to randomize. You hove 100 subjects, 50 women and 50 men. Toss a coin. If it's heads, assign the men to the treatment group and the women to the control group.

What is the coefficient of a variable that appears by itself, like "a"?

What is the derivative of y=e^x/x?

Write a related subtraction fact for 5+7=12

Write an equation for the inverse variation when y=2 and x=5

0.07291 to three decimal places

Frank has been driving a constant speed for 3 hours during which time he traveled 195. How long will it take for him to drive 455 miles