35% of the classrooms are for 6th graders. If there are 49 6th grade classrooms, how many classroom are there in total?

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