Which expression uses the associative property to make it easier to evaluate 8(1\2 · 1\3)? HELP PL

The sum of the product of 4 and x and the product of 7 and y is 61. the sum of the product of 12 and x and the product of 21 and y is 61. what are the values of x and y?

Which graph represents the linear function below? y-4= (4/3)(x-2)

Aculinary club earns $1360 from a dinner service. they sold 45 adult meals and 80 student meals. an adult meal costs twice as much as a student meal. what is the cost of an adult meal?