Did Sammy drive more than 21 kilometers last night?(1) Sammy drove more than 20,000 meters last night.(2) Sammy drove less than 20,500 meters last night.
What is the value of (Q + W)?(1) W = 3R.(2) Q = -3R.
Is X negative?(1) X + 12 < 0.(2) 12X > 14X.
A computer factory produces 4200 computers per month at a constant rate, how many computers are built every 30 minutes assuming that there are 28 days in one month?
If 512 = (A + 48)3, then (A + 53) is equal to
A car travels a distance of 160 miles in 2 hours and 40 minutes, what is the speed of the car in miles per hour?