Acollection of quarters and nickels contains at least 42 coins and is worth at most $8.00. if the collection contains 25 quarters, how many nickels can be in the collection? let x = the number of quarters. let y = the number of nickels. there are at least nickels, but no more than nickels.

Click on the graphic until you find the right quotient. (36xa - 30xb) ÷ (-6x2)

Simplify. −4x^2 (5x^4−3x^2+x−2) −20x^6−12x^4+8x^3−8x^2 −20x^6+12x^4−4x^3+8x^2 −20x^8+12x^4−4x^2+8x −20x^6+12x^4+4x^3−8x^2

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?