Answer:
11a. 15
Step-by-step explanation:
11a. Area of square: L * L

L = 15
Answer:
i don't know you find it
Step-by-step explanation:
15:82 I have to type this so I can send in the answer
Answer:
7x - 4
Step-by-step explanation:
2x + 4 + 5x - 8
7x + 4 - 8
7x - 4
Answer:
3 hours
Step-by-step explanation:
After one hour, car a will be only 20 miles ahead of car b, after two hours, car a will only be 10 miles ahead of car b, and after 3 hour, they will both be equal. This is because car b is going 10 mph faster than car a, because 70-60=10. every hour, car b will catch up to car a by 10 miles.
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