Think of sea level as 0 on number line
-13 + 6 - 15
Answer:
2500
Step-by-step explanation:
Let the first square number be
then the next square number is
.
The difference between these two consecutive numbers is 99.
This implies that:

We expand to get:

Simplify:


Divide both sides by 2

Therefore the value of the larger perfect number is
.
105% as a decimal would be 1.05 in decimal form
60% if there are only 10 white and black balls
Answer: D. 72°
Step-by-step explanation: