Answer:

Step-by-step explanation:
Let height of a banner be
, then we know that this is
of the length
of the banner; so we have
.
Now we can rearrange this equation to solve for the length of the banner given it's height:

So there we have it!
If the banner is 5 ft tall, then it's length will be:

Answer: C.)The survey should include all music choices.
Step-by-step explanation: To be honest i'm not sure-.
The answer would look something like this:

There could also have a simplified version.
I hope this helps.
Answer:
Bran to blueberry ---- 4:1
banana nut to bran ---- 1 to 2
total to corn ---- 12 muffins to 5 muffins
bran to total ---- 1/3
Step-by-step explanation:
Answer:
B: 2⁷-1 = 127
Step-by-step explanation:
A Mersenne prime is a prime of the form 2^n -1, where n is also a prime.
Among the answer choices, neither 90=2·3²·5 nor 15=3·5 is prime. Both 2⁷-1 = 127 and 2¹¹-1 = 2047 are of the right form, but 2047 = 23·89 is a composite number.
2⁷-1 = 127 is a Mersenne prime