Two separate linear functions are expressed by the graph and by the equation. Select all that apply

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. what distance from city a is the point where the truck and the car will meet?

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle