A diagram using arrows to show how to get from one statement to the next is called a .

Roger and natalie travel in similar cars. roger's car drives the two miles to school in 7.5 minutes. natalie drives the same distance in the opposite direction but in only 6.5 minutes. what is true of their velocities?

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?