What do the angles of a octagon add up to?

Which property is used in this following expression 9 (3+2) = 27+18

Renting a car costs $35 plus $18 per day. The linear model for this situation relates the total cost of renting a car, y, with the number of days rented, x.

4+4-2+3jfnfjfkfmfkfmfm

The casino la bella fortuna is for sale and you think you might want to buy it, but you wantto know how much money you are going to make.

McKenna is taking three people to a carnival. She will choose from 1 of her 3 cousins, 1 of her 5 neighbors, and 1 of her 2 sisters. How many possible combinations are there?

How do you solve for x for 9efx+4e=6f+2ef

The surface areas of two similar solids are 340 yd2 and 1,158 yd2. The volume of the larger solid is 1,712 yd3. What is the volume of the smaller solid?

Carlolyn determines that the area of a white triangle is half the area of a shaded triangle because the ratio of the side lengths of a white triangle to a shaded triangle is 3/6. Is Carolyn correct? Explain.

What is 86x65=? Bc I don't know!

What is the sum? 2/x^2+4/x^2