This is a picture for reference.

#1   4) 15 boys to 40 girls   #2   1) 1, 3, 4, 6         #3    1) 3/5

Step-by-step explanation:

#1    3:8       Multiply both sides of this ratio by 5       15:40

#2    1, 3, 4, 6     These statements are all true.

#3    9/15      Divide both numbers by 3        3/5

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.

answer: idk

step-by-step explanation: