Answer:
True
Step-by-step explanation:
Key idea: the graph of a proportional relationship is a straight line through the origin.
Answer:
X = 9, -1
Step-by-step explanation:
1, Factor it
(x-9) (x+1) = 0
2. Both of a factor will = 0
x-9 = 0
x+1=0
3. Solve
x=9
x=1
Answer:

The reason is because we assume that each week have the same weight and replacing we got:

And the best option would be:
D. 221.25
Step-by-step explanation:
For this case we have the following data given
Week 1 2 3 4
Minutes 190 163 327 205
For this case we can find the mean with the following formula:

The reason is because we assume that each week have the same weight and replacing we got:

And the best option would be:
D. 221.25
180 degrees. It would be half of the circle.
The answer is D, to get rid of a radical you multiply by the radical to cancel out