Answer:
There are two and they both mean the same thing.
Step-by-step explanation:
1. 9 x (times) n
2. 9n
I hope this helps u! :D
Answer:
12
Step-by-step explanation:
x^2 - a
If a is a perfect square we could factor
x^2 - b^2 = (x-b)(x+b)
So a cannot be 36,49,81 since they are perfect squares
a must be 12
Answer:
1.4
Step-by-step explanation:
Follow pemdas
2+(1/2) +34- (1/10)
2.5 + 34 - .1
36.5-.1
36.4