Answer is A. first one...
P = -3
G = 3
P = -G = -(3) = -3
Answer: 6.25 is her profit
Step-by-step explanation: cost-price= protect
2.25 - 8.50=6.25
Answer:
c
Step-by-step explanation:
Answer:

Step-by-step explanation:

Subtract 5 from both sides.

Simplify.

Multiply both sides by 4.

Simplify.

Divide both sides by 3.

Simplify.

2(4z-3-21)=166-46
Combine like terms
2(4z-24)= 120
Distribute
8z-48= 120
Add 48 to both sides
8z= 168
Divide both sides by 8
z=21
Final answer: z=21