Which of the following expressions is equivalent to a-b where a and b are any numbers F. b - a
G. a + b
H. -a + b
I. -b + a

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

The number of 8th graders who responded to a poll of 6th grade and 8 th graders was one fourtg of the number of 6th graders whi responded if a total of 100 students responddd to the poll how many of the students responded were 6 th graders

Sasha delivers newspapers to subscribers that live within a 4 block radius of her house. sasha's house is located at point (0, -1). points a, b, c, d, and e represent the houses of some of the subscribers to the newspaper. to which houses does sasha deliver newspapers?