Carlos is fertilizing his garden. the garden is in the shape of a rectangle. its length is 15 feet and its width is 12 feet. suppose each bag of fertilizer covers 20 square feet. how many bags will he need to cover the garden?

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?

It took alice 5 5/6 hours to drive to her grandparents' house for . on the way home, she ran into traffic and it took her 7 3/8 hours. how much longer did the return trip take? write your answer as a proper fraction or mixed number in simplest form. the trip home took __hours longer. ?

What is 100,000 times 1/100,000, using the standard method of multiplication? write the answer as 10 to a power.