Answer:
(3x - 2)(3x + 2)
Step-by-step explanation:
9x² - 4 ← is a difference of squares and factors in general as
a² - b² = (a - b)(a + b)
Thus
9x² - 4
= (3x)² - 2²
= (3x - 2)(3x + 2) ← in factored form
Im guessing he answered 30 correct, let me know if im correct
Answer:
y+6=-3/4(x-2)
Step-by-step explanation:
y-(-6)=-3/4(x-2)
y+6=-3/4(x-2)
Answer:
The maths test
Step-by-step explanation:
If you convert both of the results to percentage,
Maths:
![\frac{14}{17} \times 100 = 82\%](https://tex.z-dn.net/?f=%5Cfrac%7B14%7D%7B17%7D%20%20%20%5Ctimes%20100%20%3D%2082%5C%25)
English:
![\frac{31}{39} \times 100 = 79\%](https://tex.z-dn.net/?f=%20%5Cfrac%7B31%7D%7B39%7D%20%20%5Ctimes%20100%20%3D%2079%5C%25)
You'll see that she scored better in the maths test.