Answer:
The cost of labor per hour is $105.
The expression is 4x + 77 = 497
Step-by-step explanation:
The expression is 4x + 77 = 497, where 4x represents the cost of labor per hour, 77 is the cost of the parts, and 497 is the total.
4x + 77 = 497
4x + 77 - 77 = 497 -77
4x = 420
4x/4=420/4
x = 105
Answer:
(64-23)8.3
Step-by-step explanation:
Solve the parenthesis first, then multiply
hope this helps! :)
Answer:

Step-by-step explanation:
The difference of two squares identity is

When we let

and

, we get:

This will simplify to give us the required factors

Answer:
A
Step-by-step explanation:
The cube has 6 surfaces with side lengths 4 by 4. Each of the faces has area 4*4=16 units, and multiplying this by 6 yields 96 units, or answer choice A. Hope this helps!
Answer:
8r
Step-by-step explanation: