Answer:
Here's something to help you
Step-by-step explanation:
I'm using the second question as an example.
To find the Unit Rate, you have to divide the amount of money by the amount of whatever the product is
5.99/8= 0.74875
Since the question says to round it to the nearest hundredth, that means the price per unit (unit rate, or the price for one battery here) would be about $0.75. Simple, right?
The answer is x=21
16-x=-5
-16 16
0 21
X = 21
Answer:

Step-by-step explanation:
Given the expression

Follow the PEMDAS order of operations

calculate within parentheses 

calculate exponents

Multiply and divide (left to right)

Add and subtract (left to right) 

Thus,
