What is the formula to find the sum of interior angles of an octogon

15 more than twice the hours Carlow world class weekend the same as three times the hours she worked this week decreased by 15. She work the same number of hours each week. How many hours did she work each week this?

A square with sides length of 4x ^3 m has an area of 16x^6 m^2 is this true or false

In two or more complete sentences describe how to determine if the function, f (x) = 2sin (x) is odd using algebra.

A spinner has three congruent sections labeled 1, 2, and 3. on the first two spins the arrow stops on 1 and then 2. what is the probability that on the third spin the arrow will stop on three

Joel made egg sandwiches and tuna sandwiches in the ratio 2:3. He then made 15 more tuna sandwiches and the ratio changed to 1:3. How many sandwiches did Joel make in all show your work and explain how u found your answer.

Trignometric ratios

Simplify | 4-9 | A) 13 B) 5 C) - 5 D) - 13

Plastic cups come in packages of twenty-four and straws come in packages of twenty. What's the smallest number of each that could be bought so that you had the same amount of cups and straws?

What is 12+2-8=6-12 = - 6 + 18

A ramp leading into a building makes a 15 degree angle with the ground. The end of the ramp is 10 feet from the base of the building. Approximately how long is the ramp? Round to the nearest tenth.