30-(increase/0.5)*2=sold
i*s=revenue
i*30-(i^2/0.5)*2=r
I=7.5=>r=0
i=7=>r=14
7/0.5=15 number of increases in the cost
Answer:
Question A)

Question B)

Question C)

Step-by-step explanation:
A)
We are given:

We can rewrite the expression:

The square root and square will cancel each other out. Thus:

B)
We are given:

Rewrite:

Note that the square root of 9 is simply 3. We can also factor the second part:

Rewriting:

Simplify:

C)
We are given:

Rewrite. Note that 50 = 25(2):

Simplify. We can rewrite the factor as:

The square and square root will cancel out. Thus:

Answer:
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Step-by-step explanation:
94 is a composite number.
If 94 were a prime number, 94 would only have 2 factors, which are 1 and itself. Since 94 has another factor other than 1 and itself (which is 2), 94 is a composite number.
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