One half of a number added to two thirds of the number is 21. find the number

Find the equation of the line with slope =8 and passing through (6,53) write your equation in the form y=mx+b

Arestaurant chef made 1 1/2 jars of pasta sauce. each serving of pasta requires 1/2 of a jar of sauce. how many servings of pasta will the chef be able to prepare using the sauce?

In a rectangle klmn, km = 6x + 16 and ln = 49. find the value of x