2 questions:

3x/25=9/75

and

5x-1/12=x+5/5

NEED HELP NOW!!!

y=−9/2x+10

step-by-step explanation:

let's solve for y.

0−9x−2y=−20

step 1: add 9x to both sides.

−9x−2y+9x=−20+9x

−2y=9x−20

step 2: divide both sides by -2.

−2y

−2

=

9x−20

−2

y=

−9

2

x+10

3: 2

step-by-step explanation:

shorter piece is 2: 3, so just reverse it, and you get 3: 2

1 is c

2 is a

3 is a

step-by-step explanation:

yes

step-by-step explanation:

they have to be opposite and reciprocal of eachother.