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.

5/8 beds for each square yard