Um depends are you trying to get the x byitself?
Answer:
125y³?
Step-by-step explanation:
Expand (5y)³
5³y³
Calculate 5 to the power of 3 and get 125
125y³
Hope this helps
Have a Good Day!
Answer:
445.2 square cm
Step-by-step explanation:
The surface area consists of area of two bases and area of three leteral faces. Each lateral face is a rectangle with length of 23 cm and width of 6 cm.
The area of rectangle is

So,

The area of base is given as 
Thus, the surface area is

You would do... 7*-1*3 (* is times) And that is -21.
So y = -21