Answer:
-8
Step-by-step explanation:
1/2 times 10 is 5. and a negative times a negative is a positive, so you have a positive 12, which becomes 5+12-25, which is -8
1. Note that

2. Then the equation
can be rewritten

3. Solve it:

Answer: x=6
Answer:

Step-by-step explanation:
The two ringtones will cost her a total of
and is a fixed amount. The relationship between the cost and number of songs only is
and therefore the answer is
. You can also directly find the answer by finding the y-intercept (in this case
), as no other answer choices include the term
, so A must be the correct answer.
Answer:

Step-by-step explanation:

It can be also written as -
