Which equation is an identity?

Juan decided to join a gym to get in shape for football. He has two payment options. Option a is to buy a membership card and pay $2 each time he goes to the gym. Option b is to pay $4 each time he goes. A membership card cost $30.

Dimensions of a building are 425 feet by 195 feet. If 1 inch represents 24 feet, what are the dimensions of the building in drawing?

Sofia has been saving money to buy a new computer. For her birthday, Sofia's mother gave her twice what she had already saved. Now she has $135. a.

Reciprocal of 1/2 and 3/5 and 7

Evaluate 3^-3 x 3^4 x 3 x 3^-5 Answers a. - 27 b. 1/27 c. - 81 d. 1/81

Determine how far the vehicle travels in 3 hours. A motorcycle travels 25 miles every 0.5 hour. The vehicle travels miles.

It takes a baseball player 16 seconds to round the bases and make it back to home plate home plate if it is 360 feet to go all around the bases then calculate the players average speed

Bruce and Mila are collecting baseball cards from their favorite teams, the Orioles and the Pirates. The equation r+p=28 represents the number of cards Bruce has. The equation 2r+p=43 represents the number of cards Mila has.

Kyra has a manufacturer's coupon for $5 off a box of diapers and a store coupon for 20% off any purchase. The store will let you use both coupons, but it does not have a policy about which coupon you must use first.

What does r equal? 5 (3-5r) + 3r = - (5r + 2)