Answer: A and B
Explanation: A sum is an answer to an addition problem and a difference is the answer to a subtraction problem. N is the sum to the addition problem and -n is the answer to a subtraction problem.
Answer:
46.25% is the percent of the change in the price of a cell phone from 2000 to today.
Step-by-step explanation:
Cost of a cell phone in the year of 2000. C= $240
Cost of a same cell phone today, C'= $129
The percent of the change in price:
:

46.25% is the percentage of the change in the price of a cell phone from 2000 to today.
$ 0.1369 to the nearest cent ( aka hundredth decimal place) would be $ 0.14
Answer:
D) f(x) = 6x
Step-by-step explanation:
Answer:
6x-3y
Step-by-step explanation:
3 * 2x = 6x
3 * - y = 3y
So 6x - 3y