How many lines of symmetry are in a regular n-gon?

What is the wavelength of an earthquake wave if it has a speed of 10 km/s and a frequency of 4 Hz?

Ebony walked at a rate of 3 1/2 miles per hour for 1 1/3 hours. How far did she walk?

Three students candidates competed in a student government election the winner got 5/8 of the vote and the second place candidate got 2/8 of the votes if the rest of the votes went to the third candidates what fraction of the votes did the student

A storage container is shaped like a rectangular prism. The volume of the container is 2415 cubic feet. The area of the base of the container is 210 square feet. What is the height of the container in feet?

What is the answer to 8 (x-3) + 7=2x (4-17)

If y = 7.2 when x = 10, what is the value of x when y = 20? (y varies inversely as the square of x.) A. 14.4 B. 6 C. 10 D. 20

If sally has 8 dog and lost 2, how many does she have left?

Consider the equation 4+2 (5x-8) = ax+b for what values of a and b would the equation have infinitely many solutions

Find cos a and cot b exactly if a = 15 and b = 11.

2) Sarah is trying to raise $240 for a school trip. She has already raised 25% of the money. How much money does Sarah still need to raise?