Answer:
153.86 ft squared
Step-by-step explanation:
A = πr^2
A = 3.14(7)^2
A = 3.14*49
A = 153.86
Hope this helps, good luck on the test!
Answer:
-36.5
Step-by-step explanation:
substitute 8.5 for v
8-(6(8.5)+2-(8.5))
8-(51+2-8.5)
8-44.5
edited cause I forgot the 8 at first :P
Answer:
Which expression has a greatest common factor of 3h?
Step-by-step explanation:
Answer:
Final simplified form is 
Step-by-step explanation:
We have been given an expression 
Now we need to simplify
and check which choice matches with simplified form of
.
You missed to provide the choices but still we simplify that.



When there is negative sign inside square root then we replace that by "i" iota.

Hence final simplified form is 
Is the sample valid?
First you must see if the number of students in the table corresponds to the number of students surveyed that was 75.
We have then:
33 + 15 + 27 = 75
We have then that:
The sample is valid.
what percent of students prefer caramel popcorn?
We can make the following rule of three to answer this question:
75 ---> 100%
27 ---> x
Clearing x we have:
x = (27/75) * (100)
x = 36%
36% percent of students prefer caramel popcorn