Answer:
She made $21.69 in tips.
Step-by-step explanation:
Take the wage per hour and multiply by the number of hours worked. 11.25x12.25 = 137.81
Then we subtract that number by her final pay. 159.50-137.81= $21.69 in tips
35/79
Assuming you can't choose the same song a second time, the probability is 35/79.
If you can choose the same song, the probability is 36/80, which reduces to 9/20.
12
6(-1)+(-2)
-6(-2)
I might be wrong so please forgive me if I am.