The water level in a plastic pool changed by - 8 gallons each hour due to a small hole in the bottom. After 6 hours, the pool contained 132 gallons. How muc was in the pool originally?

A cross section is the intersection of which two elements? a.) a solid and a lineb.) a solid and a planec.) a plane and a planed.) a plane and a line

What numbers are if i devide them i get 5 and if multiply i get 5

Mr. Dulin runs 5 miles in 42 minutes. He plans to run in a 25 mile race. Based on his current speed, about how long will it take him to complete the race?

If you liked a girl, what is the first thing you do? It's a opinion question

You can estimate a tree's age in years by using the formula a = r w, where r is the tree's radius without bark and w is the average thickness of the tree's rings. the circumference of a white oak tree is 90 inches. the bark is 0.5 in.

At Kent Middle School, there are 104 students in the band and 80 students in the choir. What percent of the number of students in the choir is the number of students in the band

Solve the problem. Sergio's internet provider charges its customers $7 per month plus 3¢ per minute of on-line usage. Sergio received a bill from the provider covering a period and was charged a total of $28.70.

Two lines, parallel to the bases of a trapezoid divide each leg into three congruent parts and divide the trapezoid into three parts as well. Find the area of the middle part if the top and bottom parts have area S1 and S3.

Robin is making bows to sell at her mother's yard sale. She will use 3/4 foot of red ribbon and 2/3 foot of blue ribbon to make each bow. What is the ratio of the length of red ribbon to blue ribbon?

Explain why the polynomial 144x2 - 200x + 81 is not a perfect square. A. 81x ≠ 2 (20x ∙ 9) B. 144x ≠ 2 (20x ∙ 12) C. 200x ≠ 2 (9x ∙ 12) D200x ≠ 2 (12x ∙ 9)