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

answer: 32.68

step-by-step explanation:

x=2

bottom left

step-by-step explanation:

the x's and the y's both go up the same amount each time, therefore it will be a linear function because it will go in a straight line when drawn on a graph.

hope this !