Cual es el grado del polinomio 5x3-2x4-9x2+x2

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?

Which statement justifies why angle ebc measures 90?

The holiday party will cost $160 if 8 people attend.if there are 40 people who attend the party, how much will the holiday party cost