Part A:
We see that this pair of equations has 1 solution. On a graph, the solutions of 2 (or more) lines is where the lines intersect. In this case, since these lines intersect 1 time, they have 1 solution.
Part B:
As previously mentioned, the solutions of multiple lines is where the lines intersect. In this case, since they intersect at (4,4), that is the solution.
Answer:

Step-by-step explanation:
Definition of negative exponent:

In our case, a = 3 and -n = -2.

Now we just evaluate the power in the denominator.

Answer:
Get to 100% easly
Step-by-step explanation:
Answer:
the answer is D
Step-by-step explanation:
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The meat would end up costing $35 because you want to multiply 