Aspinner 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

Evaluate 3(a + b + c)squared for a = 2, b = 3, and c = 4. a. 54 b. 243 c.729 add solution .

Can someone me with these two circle theorem questions asap?

Two airplanes start at the same place and travel in opposite directions,one at 395 miles per hour and the other at 422 miles per hour. how many hours will it take for the planes to be 2451 miles apart?