Answer:
Step-by-step explanation:
1.

2.

3.

Step-by-step explanation:
75+54
129°
the answer is 129°
Answer: -406
Step-by-step explanation:
We have the following expression:

In addition we know:
and
If we substitute this in the expresion, we will have:

4(x+2) , 2(2x+4) , 8+4x , 1/2(8x+16) are all the same as 4x+ 8.
Answer:
40 dollars
Step-by-step explanation:
Profit is what he earned minus his costs
Profit = 125 -85
Profit = 40