5a + 5b + 5c - 8x - 8y - 8z
Answer:
Domain is {xER} (This means that x is all real numbers)
Range is
(This means that x is less than or equal to 6)
Step-by-step explanation:
Answer:
His commission was 22.5
Step-by-step explanation:
7 DOLLARS A WEEK
because you would add 5 and 2 each week
(b) Yes, because 0.5 is a plausible proportion as evidenced by the hypothesis test above