Use the pythagorean theorem to prove whether or not each set of numbers represent the side lengths of a right triangle. in your final answer, include your proof. a. 6, 12, and 15 b. 5, 12, and 13 you! : )

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤

How long does it take natsumi to clean up after she is done? table: .area time30. 245. 2.7560. 3.5

Someone answer asap for ! the following statements are true about the coins calvin and sasha have collected. * calvin and sasha has the same amount of money. * calvin has only quarters. * sasha has dimes, nickels, and pennies * calvin has the same number of quarters as sasha has dimes. * sasha has $1.95 in coins that are not dimes. exactly how many quarters does calvin have?