During a 4-hour drive a trucker driver traveled at the rate of 40 miles per hour for the first hour and 70 miles per hour for the following 3 hours. which is closest to the average rate the truck driver traveled durind these 4 hours.

Which of the following vectors are orthogonal to (2,1)? check all that apply

Atown has a population of 17000 and grows at 2.5% every year. to the nearest year, how long will it be until the population will reach 19600?

Three students, javier, sam, and corrine, participated in a fundraiser where people donated a certain amount of money per lap that the student ran. each student also had some initial donations that were collected before the run. the equations that represent each student's total donation, y, based on the number of laps ran, x, is shown below. match each equation with the correct rate of change for that student.