Answer:

Step-by-step explanation:
Given the expression;

According to difference of two square;
x² - 16 = x²-4² = (x+4)(x-4)
Substitute;

Find the LCM

10 whole sandwiches can be made with 2 pounds of cheese if each sandwhich has 3 ounces of cheese on it.
2 pounds = 32 ounces
32/3 = 10.67
Answer:
24x^2
Step-by-step explanation:
When expanded (x+2)^4= x^4+8x^3+24x^2+32x+16
The only term that matches with these is 24x^2
The answer to this is y=x+5
Answer: -6xy -7y +4x +9
Step-by-step explanation:
Firstly, distribute y to 6x + 7: -6xy - 7y
Next, collect like terms: 4x + 9 -6xy - 7y = -6xy -7y + 4x + 9