An arc of length 12 meters is formed by a central angle a on a circle of a radius 9. the measure of a in degrees (to two decimal places) is

What is the square root of 45? (step by step working plz)

Which statements regarding the diagram are true? check all that apply.

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?