Answer:
Some of the 50 students should have been assigned to a control group that used the in-person course
Step-by-step explanation:
This shape is trapezoid
top of the trapezoid is 10 (12-2)
and the bottom is 4 (6-2)
the height in 3 (3-0)
so the area will be

the area is 21
Answer:
{-1, -2, -3, -4}
Step-by-step explanation:
The domain is the set of all x-values.
Answer:
-2
Step-by-step explanation:
you will group the like terms and add and subtract the remaining digits
Answer:
(-3,6) (1,8) (2,10) and so on.