Two students raced their model cars down a track. The first car traveled at 40 centimeters per second. The second car traveled at 45 centimeters
per second. If the cars started at the same time, how far apart were the
cars after 3 seconds?

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*

The radius of a sphere is 3 inches. which represents the volume of the sphere?