If f(x) = 4x + 12 is graphed on a coordinate plane, what is the y-intercept of the graph?

In each bouquet of flowers, there are 2 roses and 3 white carnations. complete the table to find how many roses and carnations there are in 2 bouquets of flowers.

Li buys supplies so he can make and sell key chains. he begins to make a profit only after he sells 4 key chains. what point on the graph makes the most sense in this situation?

Someone me what is the area of this figure? 18m 18m 8m 16m