You would write the expression as nP +nL=cost because it’s the number of plagues that he buys plus the number of loaches that he buys
The first one in the top is 180 degrees so 8(15) and 8x15=120 so x on the other side is 60.
Answer:
(r^9−s^10) (r^18+r^9s^10+s^20)
25.75 is 25 3/4 in decimal form
