According to the fundamental theorem of algebra, how many roots exist for the polynomial function? f(x) = 8x7 – x5 + x3+6

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

Find the unit rate. enter your answer as a mixed number. a fertilizer covers 2/3 square foot in 1/2 hour.

15. jiovanni is looking in to two different companies that offer study guides for math exams.test prep 101 charges a $5 flat fee and an additional $0.25 per problem.math charges a $2 flat fee and an additional $0.50 per problem.how many prablems would make the costs of the two companies be equal? varibles: equations/eniqualities{ {