PLEASE HELP! Simplify the polynomial. Fill in the blanks with the missing numbers.

5x−5+11x^2+4x−6x^2+8

Aflute is on sale for 20% off. including the discount and 8% tax, the sales price is $216.

Acarnival sold tickets for $1.50 for adults and $1.00 for students. there were 54 tickets sold for a total of $70.50. write a system of equations to represent the number of adult tickets, x, and the number of student tickets, y. find the solution and explain what it means. i'll you if you me

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.