Help pls!!! Mr. Nelson has a collection of 16 trumpets and tubas. Tubas have four valves and Trumpets have 3 valves.
When Mr. Nelson counted all the valves, there were
53 valves in all.
How many trumpets and how many tubas does Mr.
Nelson have?

i get you, what you should do is think of the positive things that would come out of it. it will make yours parents proud and raise your grade. you should always try and if you can't focus tell the teacher.

the answer is:

the correct option:

b.

to solve the problem, we need to remember how to operate to simplify exponential expressions using the logarithms.

we are given the equation:

then, using placing logarith with base 7 on both sides of the equation, we have:

so, rounding the obtained result to two decimal places (nearest hundreth), we have:

hence, we have that the correct option:

b.

have a nice day!