I have a circle that has a radius of 8 in. What is the circumference of the circle? What is the area of the circle? Explain your steps.

In September. There were 16 members in the memeber club. In October the number of memeber club was 24. what percent increase from September to October

Write the explicit formula for the geometric sequence. a1 = - 5 a2 = 20 a3 = - 80 A. an = - 5 • (-4) n B. an = - 5 (-4) n-1 C. an = - 4 (-5) n-1 D. an = - 5 • (4) n

The volume of this sphere is StartFraction 500 pi Over 3 EndFraction cubic inches. What is its radius? A sphere. Recall the formula Sphere Volume = four-thirds pi r cubed. 3 inches 5 inches 166.7 inches 666.7 inches

Find the value of y when x=-5 and y=7x

In a survey, 80 students were asked to name their favorite subject. Thirty students said that English was their favorite. What percent of the students surveyed said that English was their favorite subject?

What is the solution to the system of equations? Use the substitution method. {y=-3x+1 2x+5y=18 Enter your answer in the boxes.

Volume of a Cube The volume V of a cube with sides of length x in. is changing with respect to time. At a certain instant of time, the sides of the cube are 3 in. long and increasing at the rate of 0.2 in./s.

Marisa needs 1.4 hours to comeplete 7 homework problems. How long does each problem take? A: 0.1 hours B: 0.2 hours C: 0.7 hours or D: 1 hour?

How long will it take if your going 45 mph for 135 miles?

Nadia puts $500 int a savings account. at the end of 1 year, she had earned $30 in intrest. What intrest rate was the bank paying