On a 28 question test how many do i have to answer correctly to get a 70%

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

If a baby uses 15 diapers in 2 days how many diapers will the baby use in a year

Identify one charcteristic of exponential growth