Can anyone help!?! I don’t understand the distance formula. Can someone pls explain it?

What is the exact volume of the cylinder (radius 13 in., height 30 in.)

Write the factored form of this trinomial 9x^2+18x-7

Bo is buying a board game that usually costs bb dollars. the game is on sale, and the price has been reduced by 18\%18%. which of the following expressions could represent how much bo pays for the game? choose 2 answers: choose 2 answers: (choice a) a 0.82b0.82b (choice b) b 1.18b1.18b (choice c) c b-0.18b−0.18 (choice d) d b-18b−18 (choice e) e b-0.18bb−0.18b