To subtract fractions, find the LCD and then combine.
Answer is: -3
Answer: 35 degrees
Step-by-step explanation: 180-145=35
The total number of pencils is 2,160. When estimating to the nearest hundredth one gets 2,200, which is an underestimate.
The advantage of underestimating is that your answer is more accurate than an overestimate.
20-24 are in the interquartile range