B. Is the correct answer. For part B, he can buy 15 balloons since X=15. Plug this back into the equation to check: 2(15)+20=50.
2(15)=30+20=50.
The answer to your question would be y2 +5y.
Answer:
Step-by-step explanation:
2.5 / 0.01 = 250 sheets in the stack....just a little division problem....thank god for calculators...lol
Answer:

Step-by-step explanation:
Let's start by using change of base property:

So, for 

Now, using change of base for 

You can express
as:

Using reduction of power property:


Therefore:

As you can see the only difference between (1) and (2) is the coefficient
:
So:


Answer:23
Step-by-step explanation: