Answer:
Data set 1
Step-by-step explanation:
Because for every x there is only one y
Step-by-step explanation:
Isolate the variable
10x - 7x = -20 - 8
3x = -28
x = -9.333333333333
Answer: 8.33 times
Explanation:
P(4) = 1/6
P(4) for 50 times = 1/6 x 50 = 8.33 times
Sam will need 30 rolls of 30 inches of paper