Answer:
Step-by-step explanation:
c=cookies
b=brownies
2c+3b=9.50 > Briana
10c+6b=20.50 > Nevaeh
Can u show the whole question
The numerator is 72 and the denominator is 2. 72/2
You just study alot and do questions on fractions
This is a differnce of 2 perfect squares
a²-b²=(a-b)(a+b)
so
9x²-64=(3x)²-(8)²=(3x-8)(3x+8)
factors are (3x-8) and (3x+8)
