Reggie left a 15% tip for a meal that cost $51.

what was the amount of the tip?

$3.40

$6.60

$7.65

$8.15

Acharity is conducting a raffle, and it sells one ticket each to 35 women and 21 men. if 5 winners are randomly selected, what is the probability that they are all men? round to five decimal places. 0.00533 0.06268 0.09537 0.07776

Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (-1+i)+(21+5i)+0

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?