Answer:
Step-by-step explanation:


Hence lake will never be free of pesticide.
8(5) - 4y = 39
40 - 4y = 39
-4y = -1, y = 1/4
Solution: y = 1/4
Raising a whole number to a power means:
Take (a number of things) a number of times, and then possibly
take that big number of things a number of times again.
Raising a fraction to an exponent means:
Take a piece of (a piece of one thing), and then possibly
take just a piece of that smaller piece.
Answer:
21 inch cube
Step-by-step explanation:
(1/3)(1/3)(1/3)=1/27 is the volume of the cube
the volume of the box : 567*(1/27)=567/27=21