Topic is substitute positive and negotiable values into a formula
a=2 b=4 c=-3
what is
5a
3ab
b squared -c

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

Guys i really need or i have to stay late up night

Does anyone know how to solve and graph this: 4 + | a + 2 | < 7the only part i don't get is the "4 +"