The expression 2l + 2w is used to find the perimeter of a rectangle with length l and width w. What is the perimeter of a rectangle with length 18 cm and width 3 cm?

21 cm

24 cm

42 cm

54 cm

Aperpendicular bisector, cd is drawn through point con ab if the coordinates of point a are (-3, 2) and the coordinates of point b are (7,6), the x-intercept of cd is point lies on cd.

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28