Answer:
1. 60z, 36
2. 96a, 88
Step-by-step explanation:
1.
First, find the like terms for z. (60z)
Second, find the like terms for 20, 4, and 12. (36)
2.
Combine the 88a and 8a (96a)
Then combine 8 plus 80 (88)
Answer:
Step-by-step explanation:
The given statement is the scale factor:

This can be rearranged to the formula ...

Filling in the given scale distances, you find the actual distances to be ...

First, the equation has to be rearranged so that y will be isolated on the left-hand side of the equation.
(x + 4)y = 3x - 2y = (3x - 2)/(x + 4)
This form is a rational function which is of course a function. All values of x are possible, except for x when y becomes undefined, thus the domain should be x /= -4. In interval notation, (-inf, -4) U (-4, inf).
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Answer:
A- Margaret gre at a faster rate than Donavan
Step-by-step explanation: