Answer:
12
Step-by-step explanation:
First, add all of the working hours.
1

+ 2

+ 1

Since the denominators are different, make them all the same.
1

+ 2

+ 1

Add everything together.
4

+ 1

= 5

Then, simplify.
5

or 5.5
Multiply the time by the salary.
<span>5.5*10.5=
Doug earned $57.75</span>
To find x:
use the formula: tan° = opposite/adjacent
tan 61° = x/10
answer: 18.0
other length:
use the formula: cos° = adjacent/hypo
cos 61° = 10/y
answer: 20.6