Answer:
$133.20
Step-by-step explanation:
Since the amount of hours she worked isn't a whole number, we can first separate 18 and 1/2 and work the problem out one at a time.
1. Multiply 7.20 by 18 to get 129.60
2. Multiply 0.50 by 7.20 to get 3.60.
3. Add 129.60 and 3.60 together to get the answer, 133.20.
Answer:
x=38.5
Step-by-step explanation:

cos(x)=
x=38.5(correct to the nearest tenth)
Answer:
6.4008
Step-by-step explanation:
Answer: 3.374
You subtract 5.316 from 1.942 and get 3.374
Hope this helps :)