Answer:
A = 19.625 inches
Step-by-step explanation:
formula for a circle is A = Pie * radius squared. 2.5 times 2.5 is 6.25 now multiply that by 3.14 to get 19.625 inches.
Answer:
<h3>The option A)

is correct answer.</h3><h3>The correct simplification for the given expression

is

</h3>
Step-by-step explanation:
Given expression is x to the 12th power times z to the 11th power all over x to the 2nd power times z to the 4th power.
The given expression can be written as 
<h3>To choose the correct simplification of the given expression :</h3>
Now we have to simplify the given expression as below

( by using the identity
)

( by using the identity
)


∴ 
<h3>The correct simplification for the given expression

is

</h3><h3>Hence option A)

is correct answer.</h3>
Answer:
A. 1/2 inch:10 miles
Step-by-step explanation:
1/2*4.5=2 1/4
10*4.5=45
27-48x^4= 3(9-16x^4)
Because 3 is the GCF