5quarters and 7 pennies what fraction of the coins are pennies?

Why is it difficult to find length of the hypotenuse the same way the length of the legs can be found?

Find the length of cu, the triangles are similar.

Which function can be used to model the monthly profit for x trinkets produced? f(x) = –4(x – 50)(x – 250) f(x) = (x – 50)(x – 250) f(x) = 28(x + 50)(x + 250) f(x) = (x + 50)(x + 250)