The record high January temperature in Austin, Texas is 90 degres F. The record low January temperature is -2 degres F. Find the difference between the high and the low temperatures
For this one it's really simple. Just do 90-(-2). It may look confusing right now, but it's really easy. All you need to know is that a negative and a negative cancel out to form a positive. So it's actually 90+2. 92 is the difference.