Please answer ASAP. I’ll make you the brainliest thingy.

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

What is the answer to this question? i'm a bit stumped. also how do i do it? 5(x - 4) = 2(x + 5)

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. how many hours after the truck's departure will the two meet?