Find the volume of the solid obtained by rotating about the x-axis the region enclosed by the curves y = 4 / (x2 + 4), y = 0, x = 0, and x = 2.

What is 63 over 70 in simplest form?

How many different seating arrangements are there for 5 students in 5 seats? OA. 60 OB. 80 c. 100 OD. 120

A football team lost 9 yards on first down and 4 yards on second down. It gained 5 yards on third down. How many yards does it need to gain on fourth down to have a 10-yard gain from its starting position? A. 2 yd B. 8 yd C. 13 yd D. 18 yd

Write a conjecture that relates the result of the process to the original number selected. Represent the original number as n.

Add using a number line. 56 + (-116) Drag and drop the word SUM to the correct value on the number line.

A group of preschoolers has 63 boys and 27 girls. What is the ratio of boys to all children?

Find the supplement of 75

Susan and Tammy are 20 miles apart and spot a ufo in the sky between them. The angle of elevation from Susan to the ufo is 15 and Tammy to the ufo is 35 how far away is the ufo from Susan

At a concert the ratio of the number of boys to the number of girls is 2:7. if there are 250 more girls than boys, how many boys are there?

Silvio earns 10% for each car sale he makes while working at a used car dealership. If he sells a used car for $2,000 what is his commission