Literal equations:

1) 2a+4b=d solve for b.
2) 4xy+3=5z solve for y.
3) -2(3a-b)=c solve for b.

135 is your answer

step-by-step explanation:

try 180 times three then divide that number by 4 (sides) to get your answer. im glad to : )

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.

you probably already have the answer but anyways it's b. 15.0

step-by-step explanation:

1. 3. can also be expressed as (22/7)

2. -4.5

3. 3.6

happy to

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