Perform the Indicated operatlon.
(-10) ÷ (-20)
a)-2
b)2
c)1/2
d)-1/2

c

Step-by-step explanation of the

(-10)/(-20)

-1/(-2)

Negative sign result in positive result, so

1/2; c

m∠vru = 80°

m∠urw = 15°

step-by-step explanation:

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.