Atriangle has base 2x+1 and height 6x+3. what value of x would give an area of 240 m^2? round to the nearest hundreth.

Charles is on a 8 1/2 mile bike ride. he stops for a rest after he’s gone 5 2/5 miles. how much farther does he still have to go?

Find the maximum value of p= 4x + 5y subject to the following constraints :

The width of a rectangle is half as long as the length. the rectangle has an area of 18 square feet. what are the length and width of the rectangle?