Answer:
Step-by-step explanation:
Nyu thanks, I can't be helped either
Answer:
C
Step-by-step explanation:
x+4y=-12
x+7y=-15
subtract
-3y=3
y=-1
x+4(-1)=-12
x=-12+4=-8
so point is (-8,-1)
Answer:
142°
Step-by-step explanation:

Answer:
Step-by-step explanation:
Denominators: 6 is 2 times more than 3
Make them common fractions
5/6 and 2/6
They are 3/6 apart, or 1/2 apart
Answer:
The mean is the average of the numbers. It is easy to calculate: add up all the numbers, then divide by how many numbers there are. In other words it is the sum divided by the count.