Answer:
4/3 (= 1 1/3)
Step-by-step explanation:
2/3 - (-2/3)
= 2/3 + 2/3
= (2+2) / 3
= 4/3
= 1 1/3
The answer is obviously a because I just know yeah Ana it
Answer: v=-1/2
Step-by-step explanation:4=-8v divide -8 both sides
Answer:
3.5 hours
Step-by-step explanation:
Distance = 21 miles
Speed * time
Speed * time = distance
Tom speed = 2 mph
Brian = 4 mph
Let time = t
Brian distance + Tom's distance = total distance
4t + 2t = 21
6t = 21
t = 21 / 6
t = 3.5 hours