4) Josef has $11.55 in nickels and quarters. If he has a total of 99 coins, how many of each type of coin does he have?
X+y
0.05x+0.25% = 11.55
-99

Astudent simplified a rational expression as shown.

Find the maximum value of p= 4x + 5y subject to the following constraints :

Plz hurry finals a paper cup in the shape of an inverted cone is 8 inches tall and has a radius of 1.5 inches. how much water can the cup hold? use 3.14 for pi. round the answer to the nearest tenth. a) 12.6 cubic in. b) 18.8 cubic in. c) 37.7 cubic in. d) 56.5 cubic in.