Answer !

john's car is stopped at a red light. when the light changes, the car accelerates to 45 miles per hour in 15 seconds.
what is the approximate rate of change in the miles per hour that john's car accelerated?
a)
3 miles per hour per second
b)
12 miles per hour per second
c)
15 miles per hour per second
d)
30 miles per hour per second

Ineed with number 17 i don’t get it at alll

In the diagram below, tan θ = sqrt 3. what is the value of m?

(least common multiples) the answer that i had in the 1st step was lcm of airline tickets sold=72. idk if that even matters but just in case. ! three co-workers are busy selling airline tickets over the phone. in an 8-hour day, charles can sell 8 airline tickets, ann can sell 9 airline tickets, and michelle can sell 6 airline tickets. step 2 of 2: what is the smallest number of 8-hour days needed for each of them to achieve the same number of sales? it takes charles . it takes . it takes .