What is the comparison of inequality of -2.5 and 3.5? And what also is the absolute value of -2.5 and 3.5?

(and I have a pet turtle) :-)

Barbara's piano instructors house is 7 1/8 miles from her house. after biking for 1 3/4 miles she stops to rest how much longer does she need to bike to reach her instructor's house

What is (28 + 7 + 6 + 3) x 1/2 show your work

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5