Answer:

Step-by-step explanation:

Expand brackets.


Apply radical rule : 


Answer:
D
Step-by-step explanation:
is the correct answer i believe.
To determine his gross pay, we need the amount of money he earns per hour and the rate of overtime per hour since he exceeded 40 hours of work. But since the rate for his overtime was not given. A general expression is what the most I can do. It is as follows:
Gross pay = 13.40(49) + overtime rate(9)
Hope this helps. Have a nice day.
The discount price is .80x or 1-.20x.
(8 + [7+1] 2 ÷ 4 × 1) ÷ 2^4
Let's focus on what's in parentheses first.
8 + 8 × 2 ÷ 4 × 1
8 + 16 ÷ 4 × 1
8 + 4 × 1
8 + 4
12
Now, to what is outside the parentheses:
Because of the way it is written, you will do 12 ÷ 2 first.
12 ÷ 2^4
6^4
Answer: 1296