X2 - 16, is the answer. The first one.
x^2 - 16 = (x)^2 - 4^2, difference of two squares :)
If you put 4 over 20 and did a ratio to x over 100 it would be 20%
Answer:
2.46
Step-by-step explanation:
Cross multiply again
Hope this helps!
Answer:
no to both questions, they might numb your gums but im not 100% sure.
Step-by-step explanation:
1. A)
7x= 3(35)
7x= 105
105/7= 15
Therefore x=15
2. C)
