21st ! the function p(x) = 3x2 + 4x + 5,is dilated by the function i(x) = p(2x). write the new function i(x).

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field

Solve for x: 5/3 x = 20/21 it's fraction. remember to simplify your fraction