Which of the following proportions is true? how do you know and why? answers; 10/40 = 8/36 8/18 = 6/16 12/18 = 16/24 9/15 = 44/50

Problem melissa is her dad build a walkway in their backyard. the walkway will be 54 feet long and 1.5 feet wide. the local hardware store sells tiles which are 1.5 by 1.5 feet and come in boxes of 12. how many boxes of tiles do they need?

Empty box + box + empty box fill in the box is equal to 30 how

I’m on question 7 it says a covered water tank is in the shape of a cylinder the tank has a 28 inch diameter and a height of 66 inches to the nearest square inch what is the surface area of the water tank