3. if the pattern below continues, what number
likely comes next?
9,12, 15, 18, 21, ?

well my understanding of this question is they want you to use the y=14.1x -2.3 and put the coordinates they gave you onto the line segment of   y=14.1x -2.3

step-by-step explanation:

step-by-step explanation:

for volume, add base x height x width

you have to find the same variables -3n - 5n so this would be -3n +(-5n) which equals -9n