Answer:
see explanation
Step-by-step explanation:
12
Since the denominators are like, add the numerators leaving the denominator
=
=
15
We require the denominators to be like before we can add.
factor x² - 4 as a difference of squares
x² - 4 = (x + 2)(x - 2)
Expressing as
+
multiply the numerator/denominator of the first fraction by (x - 2)
= +
Expand and simplify the numerators, leaving the denominator
=
=
Honestly no idea... sorry
Answer:
2
Step-by-step explanation:
The only common factor of the given numbers is 2.
Shaquira can make 2 packages, each containing 43 chocolate chip cookies and 21 sugar cookies.
Factorial 6 or 6! is 6*5*4*3*2*1, or 720.
factorial 3 times factorial 2 equals 3*2*1*2*1 or 3*2^2*1 or 12