Answer:
7. 4
8. 7
Step-by-step explanation:
7. 
Cross multiply


(division property of equality)


8. 
Cross multiply


(addition property of equality)

Divide both sides by 6


Answer:
Average rate of car: x+3
Walking rate: x
The equation is
10/15 = x/x+3
So
x = 6
So
Average rate of car: 9 mph
Walking rate: 6 mph
Step-by-step explanation:
I think is Y=5x+20
Hope you get it right!
:D
Answer:
B) 69°
Step-by-step explanation:
The missing measure is supplementary angle of 111° which means their sum is equal to 180°
180 - 111 = 69.
Answer:
8.45351 equal two liters.
Step-by-step explanation: