Answer:
my answer is C $69.87
Step-by-step explanation:
Here's link to the answer:
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the factor for this expression is 7
Answer:
E) b^2
Step-by-step explanation:
Solving the first equation for a, we get ...
a - b = 0
a = b . . . . . . add b to both sides
Now, the expression ab can be rewritten as
ab = bb = b^2 . . . . . . substitute b for a
