Answer: Advantages: It is quick and easy, when done repetitively it allows you to do mental math very fast
Step-by-step explanation:
Disadvantages: Does not allow you to multiply fractions, which come up a lot in everyday situations or jobs, takes a long time to do exponents
Answer
its C, i just answered it
I'm attaching the solution.. feel free to ask if you have questions.. I basically did long division. Hope this helps.
The books are $5, and the magazines are $10. I’m not sure which way you want it explained but since magazines are twice the price of books, you can solve the equation 3b + 2b = 25. This gives you b=5 which you just multiply by 2 giving you the price of a magazine.
For two line segments to be parallel, their slopes must be equal.
Therefore slope of AB must be equal to slope of CD
which is, option 3
(y4-y3)/(x4-x3)=(y2-y1)/(x2-x1)
