Paul can install a 300-square-foot hardwood floor in 18 hours. matt can install the same floor in 22 hours. how long would it take paul and matt to install the floor working together?
4 hours
9.9 hours
13.2 hours
30 hours

He expression 2(l + w) is used to calculate the perimeter of a rectangle, where l is length and w is width. if the length is fraction 2 over 3 unit and the width is fraction 1 over 3 unit, what is the perimeter of the rectangle in units? fraction 2 over 3 unit 1 unit 1fraction 2 over 3 units 2 units

This is different from the first one can someone me

98 point question what is the record for most points in one