6b+4=2 has one variable
4+6=10 has no variable
Answer:
65
73
Step-by-step explanation:
9^2 - 4^2
Exponents first
81 - 16
65
3^2 +8^2
Exponents first
9+64
73
Answer:
image is not clear
Step-by-step explanation:
Answer:

Step-by-step explanation:

Marking up means that the new value is added onto the original value.
As we are increasing the original price by 250% of the price, we need to multiply it by 2.5, as that is equal to 250%