Answer:
the constant rate of change is 20
Answer: The expression representing the amount of money spent is
by Emily.
Step-by-step explanation:
Since we have given that
Let the cost price of per pair of sandals be 's'
Let the cost price of per pair of boots be 's+30'.
Number of pairs of boots = 2
Number of pairs of sandals = 3
Total cost would be

Hence, the expression representing the amount of money spent is
by Emily.
The answer is B
Since you know that BOD is a right angle add 12 And 15 and subtract your answer from 90
I am assuming that the second equation is

. In that case, the correct answers are (0, -1) and (3, -8).