Answer:
3y+7
Step-by-step explanation:
6+7.2y+−4.2y+1
(7.2y+−4.2y)+(6+1)
3y+7
Ray. A line continues in two directions, a segment is finite, and an angle is (theoretically) two rays.
Answer:
a. 
b. 
Step-by-step explanation:










Hope it is helpful....
Answer:
19
Step-by-step explanation:
I found it by making 4 3/4 to 4 6/8 by multiplying the numerator and denominator by 2, so the denominators can be equivalent, and then you do 4 6/8 ÷ 2/8 = 19