Answer:
84
Step-by-step explanation:
Answer:
y=10
Step-by-step explanation:
10^2-100=0
100-100=0
0=0
Answer:
A
Step-by-step explanation:
We take a look at this expression:
and notice that both terms are square numbers.
and
.
There is a specific formula that I highly recommend you memorize involving differences of squares. It states that given the difference of squares
, it can always be factored into
.
Here, we can apply that. In this case, a = 7x and b = 3. So:

Thus, the answer is A.
Hope this helps!
Answer:
The answer is B. I plugged it into a graphing calculator. Hope this helped :)
Step-by-step explanation: