Which expression simplifies to -2/5 ?

A. -(1/2)×(-5/4)

B. -(1/2)×(-4/5)

C. -(-1/2)×(-5/4)

D. -(-1/2)×(-4/5)

D)-(-1/2)×(-4/5)

pay attention in your classes and concentrate the best thing you can do to raise your test scores is to pay attention when you're supposed to be learning the material: in class!

take good notes.

do your homework.

use mnemonics and other tricks.

do practice tests.

note: the best i know.

10+4√2 is the answer. i dont have the time to explain.