1.The sum of two rational numbers is –814. If one of the numbers is -523, find the other number. 2.Parcel P weighs 412. pounds, parcel Q weighs 325 pounds and parcel R weighs 645 pounds. Find the average weight of the three parcels.

3.The highest temperature ever recorded in Europe was 118.4°F in Athens, Greece in 1977. The lowest temperature in Europe was recorded in Ust Shchugor, Russia in 1978. This temperature was 191°F lower than that of the highest temperature recorded in Athens. Find the lowest temperature ever recorded in Europe.

4.In 2010, a company reported a net income loss of $23.8 million. In 2011, the company reported a net income gain of $10.4 million. How much more income did the company earn in 2011 than in 2010?

5.Fiona has $10 to pay to pay school fees for three art projects. The fees for each project are $2.50, $6.75, and $2.80 respectively. How much more money does Fiona need?

6.In Fairbanks, Alaska, the average temperature in January is -9.7°F. The average temperature in July is 62.4°F. On average, how many degrees colder is Fairbanks in January than in July?

they are all different questions