Can anyone me with this problem? i got my answer incorrect, and i don’t understand why.

20 only answer if 100% sure most high school-aged teens are very active. a. true b. false

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?

What is the y-intercept of the line given by the equation