Umm. Is this high school?.
4 friends x 2 ballons = 8 friends only ballons.
8 + 1 = 9.
9 total
We know that x > 2 ( or : x ≠ +/- 2 )
We have to factorize the numerator and the denominator:
x² - x - 6 = x² - 3 x + 2 x - 6 = x ( x - 3 ) + 2 ( x - 3 ) = ( x - 3 ) ( x + 2 )
x ² - 4 = ( x - 2 ) ( x + 2 )
Answer:
z = 2.6
Step-by-step explanation:
<u>Use the formula for z-score</u>

This tells us that this person's score of 210 places them 2.6 standard deviations above the mean
Answer:
hi I dont now is this will help you but use M A T H W A Y it will give you the step b step info and the answere
Hope it help
Step-by-step explanation:
The answer comes out to be X= -2