Each side of the rhombus is 5cm and the height 3cm which area is the rhombus

Which expression calculates the speed in meters per second of an object that travels a distance of 100 m every 20 seconds

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?

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x