Answer:
The equivalent expression is 
Step-by-step explanation:
Given: 
We need to simplify the expression. We will distribute radical with each term inside the parentheses.

Distribute the radical



Now we will simplify the negative exponent.

Hence, The equivalent expression is 
Answer:
$47
Step-by-step explanation:
$9 x 3 adults is 27
$5 x 4 students is 20
When added it is $47
Answer:
69
Step-by-step explanation:
The Answer: Tammy should get the promotion. She has a higher median with a smaller IQR, so her sales are better on average.
Answer: 100
Step-by-step explanation: