Answer:
1. d.9
2.
3.
Step-by-step explanation:
that is the only one I know sorry
10 I think..I might be wrong
A because the graph of a direct proportion crosses the origin.
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X + 4x = 75
Combine like terms:
5x = 75
Divide by 5 on each side of the equal sign:
x = 15
Draw a graph the function and find the value of x that produces the maximum
