2n+3n+7=-41. how do you solve number 1?

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

Which expression is equivalent to 4 square root 6 divided by 3 root 2

Eric drove 275 miles in 5 hours. at the same rate how long would it take him to drive 495 miles?