angela has a collection of coins-nickels and quarters, specifically. In all she has a total of 40 coins with a value of 5.20. how many of the coins are quarters?

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value

a .4y4

hope this !

so far i think you have the right thing going for you just remember soh cah toh

step-by-step explanation:

sine over hypotenuse

cosine   equals adjacent

tangent over hypotenuse