Answer:
A.
B. 343 • 7^x
Step-by-step explanation:
if the base of two exponential number is same we add their powers up (only when multiplying)
7^3+7^x ➡7^3+x
the expansion of 7^3 = 343 so 343•7^x is also equivalent to the given expression.
So if you need 1/2 cup for a 3-layer, then it means that you need a third of that for a one-layer. you need to divide 1/2 by 3. It is easier to get that if you use another form of 1/2, for example 3/6. In this case you simply divide this by 3 and you'll get 1/6.
Answer:
8x-15y=84
Step-by-step explanation:
Multiply 12 to both sides to get rid of the fractions.
Answer:
b and e.
Step-by-step explanation:
You will find this by solving each equation for 15b (get 15b by itself)
the customer owes 7 dollars
