Which expression has the greatest value when n is equal to 4? A. 5n B. n + 30 C. 50 – n D. 80 ÷ n

Fractions can be added and subtracted only if they're fractions. a. like b. proper c. improper d. unlike

If you could answer these your a life saver

The graph of a function f(x)=(x+2)(x-4). which describes all of the values for which the graph is negative and increasing? all real values of x where x< -2 all real values of x where -2