Which expression is equivalent to (-4y--9x)?

Use the function f(x) is graphed below. the graph of the function to find, f(6). -2 -1 1 2

The length of a shadow of the building is 36m. the length of the pole, which is perpendicular to the ground, is 1.9m. the length of the pole's shadow is 1.52m. what is the height of the building?

If i had 1234 apples and 1 banana what is the total amount