90 students represent x percent of the boys at Jones Elementary School. If the boys at Jones Elementary make up 40% of the total school population of x students, what is x?

A. 125

B. 150

C. 225

D. 250

E. 500

A suitcase measures 24 inches long and the diagonal is 30 inches long how much material is needed to cover one side of the suitcase

Sid and Libby are planning to sell pies at a local fair. They spend $200 to rent a table at the fair. Their costs for ingredients, other supplies, baking, and packaging are $3.00 per pie. Sid and Libby plan to sell the pies for $8 each.

Where would you place - 2 on venn diagram

Carol has a 24 cm x 36 cm photo that she scales down to 3/4 of its original demintion. what is the new demention?

Is"seven and one seventh less than the product of two times five" the same as"two multiplied by five and then decreased by seven and one seventh "? Explain why or why not.

If Sara has $57.18 in tips and she has worked 16 days, how much tips a day did she earn?

What is 12*12+100-50/200%*450

The sum of - 8 and - 10, increased by 23

Describe a professional or a personal situation you can represent using a matrix

One angle of a triangle measures 60°. The other two angles are in a ratio of 5:7. What are the measures of those two angles?