Robert decided to buy half dozen mangoes
priced at $0.15 each. He gives it 20 to the
Cashier. How much Change Should he receive?​

Antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.

What term makes it inconsistent y=2x - 4 ?

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)