10. 150
11. 1250
12. 105
13. 158000
15. B
Answer:
I think b because it goes from most to least sorry if u can't understand
Answer:
axis of symmetry:
, vertex: 
Step-by-step explanation:

axis of symmetry(x-value of the vertex): 
input this value into the function to get the vertex



is the y-value of the vertex

plz mark me brainliest. :)
Answer:
1. or a
Step-by-step explanation:
hope this helps!
please mark me brainliest! thanks!
First of all, we need all logarithms to have the same base. So, we use the formula

To change the second term as follows:

Finally, using the property

we have

So, the equation becomes

We can now use the formula

to write the equation as

Now consider both sides as exponents of 2:

This equation has no "nice" solution, so I guess the problem is as simplifies as it can be