3 is B
4 is D
I can figure out 5, Im kinda bad at plotting.
The question is an illustration of proportion and exponents
The number of dvd is one crate is: 
From the question, the given parameters are:
<em />
<em> ---- 5 dvds in 1 package</em>
<em />
<em> --- 5 packages in 1 box</em>
<em />
<em> --- 5 boxes in 1 crate</em>
<em />
The number of dvds in 1 crate is calculated as follows:

Substitute 5 packages for 1 box in the above equation

Substitute 5 dvds for 1 package in the above equation

Apply law of indices

Express properly as:

Rewrite as:

Hence, the number of dvd is one crate is: 
Read more about proportion and exponents
brainly.com/question/12787584
Answer:
13.1
Step-by-step explanation:
HE RIDES 13.1 miles in 5 days
You multiply 2.6 times 5 which equals 13.1
13.1 for 5 days
Answer:
-44
Step-by-step explanation:
3/4 a+24=-9
3/4 a=-9-24
3/4a=-33
multiply by 4
3a=-132
a=-132/3=-44