Answer:
the surface area is 150 inches
Step-by-step explanation:
Hope this helps :)
Formula

Z=standard score
x=observed value
u=mean of the sample
standard deviation of the sample
Answer:
38
Step-by-step explanation:
think 2 times what = 90
Answer:
B. x < -8
Step-by-step explanation:
Well first we need to get x by itself.
To do that we do 4 / -1/2 = -8
And since a negative was divided the > changes to a <.
So x<-8.
If x is less than -8 the line starts at -8 and goes to the left.
<em>Thus,</em>
<em>the answer is choice b.</em>
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<em>Hope this helps :)</em>