The cost depend on the number pencils, so the cost is the y and # of pencils is the x
Same as for question 7
To graph, the length depend on the time, so length is y, time is x
6. Linear
7. Not
Slope = (y2-y1)/(x2-x1)
(3+1)/(2-0) = 4/2 = 2
The slope is 2
The answer is multiplication
Just use 3 tens and 1 ones.
Answer:
A
Step-by-step explanation:
9 * 7 = 63
9 * 8 = 72
9 * 10 = 90