At noon the temperature was 0°C. If the temperature then rose 3°C per hour, what was the temperature after 7 hours?

How do i multiply two digit numbers

If sin(x) = 0 and cos(x) = 1, what is tan(x)?

From a party ,lori made a fruit punch from 1 gallon of orange juice ,2 quarts of grape juice,5 pints of pineapple juice, and 12 cups of cranbarry juice order the juice from least to greatest amount used in the fruit punch