Answer:
Addition Property of Equality
Step-by-step explanation:
We have the following general rule for exponents:

then, in this case we have the following:

therefore, the answer is 3
Answer: 225
Step-by-step explanation:
<u>What is a square number</u>?
A square number is a product of a number times itself
So, the 12th square number would be 12 * 12, or 12²
The 9th square number would be 9 * 9, or 9²
The equation would be 12² + 9²
So:
12² + 9²
= 144 + 81
= 225
So, the answer is 225
9514 1404 393
Answer:
can't be factored
Step-by-step explanation:
The two terms of 11t -23 have no common factors. Both of the coefficients are prime numbers, and the variable appears in only one of the terms. The expression ...
cannot be factored