The rectangle abcd is centered at the origin. c has the coordinates (w, –v). determine the length of a diagonal of abcd.
a.
b.
c.2w+2v
d.2w+4v

Vhich expression is equivalent to 6(3x + 4)? 9x + 418 x + 2418x + 49x + 10 i might ! i really do hope u see this and answer it

In a probability experiment, karen flipped a coin 76 times. the coin landed on heads 32 times. what percentage of the coin flips resulted in tails? round to the nearest percent. a. 58% b. 65% c. 42% d. 60%

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.