Answer: The volume of given substance is
.
Step-by-step explanation:
Given: Density = 10.7 
Mass = 23.54 g
Density of a substance is the mass of substance divided by its volume.
Mathematically, 
Substitute the values into above formula to calculate volume as follows.

Thus, we can conclude that the volume of given substance is
.
Im pretty sure he earned 495 in interest, because you take 5,500 time .03 (from the three percent) and you get 165- then multiply by three because of the three years (495)
Answer:
Step-by-step explanation:
(X+y+2)(y+1)
simplify
xy + x + y² + y + 2y 2