Answer:
k < 50$
Step-by-step explanation:
She wants the keyboard for less than 50$, so the price, k, is less than 50 in this inequality.
The interest rate offered would decrease. The federal reserve sets the rates to help prevent inflation, deflation etc
Answer: -216
Step-by-step explanation:
To solve the exercise you must use the formula shown below:

Where:

You should find 
The formula to find it is:

Where d is the difference between two consecutive terms.

Then:

Substitute it into the first formula. Therefore, you obtain:

Answer:
2ab+2a
Step-by-step explanation:
Answer:
its B)
i know because i did the test not to long ago