Answer:

Step-by-step explanation:




<h3>Hope it is helpful...</h3>
Answer:
14x+21
Step-by-step explanation:
7*2x=14x
7*3=21
14x+21
hope this helps :9
Answer:
-4
Step-by-step explanation:
What is the square root of 999,999,999,999,999,999,999,999,999,999,999
zheka24 [161]
Answer:
3.1622777e+16
Step-by-step explanation:
Answer:
x^2-y^2
Step-by-step explanation:
took a quiz and got it right