Answer:
x - 3
Step-by-step explanation:
Given

Note that x² - 9 is a difference of squares and factors as
x² - 9 = (x + 3)(x - 3), thus
Cancel the x+ 3 factor on the numerator/ denominator leaving
x - 3 ← in simplified form
Uhm I think you forgot something
Answer:
the answer for this question is A
Answer:
0.78 x 10^ 0
Step-by-step explanation:
The answer is 286.
y = 70 + 18(x)
x = 12
y = 70 + 18 * 12
y = 70 + 216
y = 286