Simplify the following polynomial expression. (5x4-9x3+7x-1)+(-8x4+4x2-3x++5x-1)( 2x-7)

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer

Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?

Afurniture store is having a weekend sale and is offering a 20% discount on patio chairs and tables the sales tax on furniture is 6.25%