Answer:
none of the answer above
Step-by-step explanation:
it should be
16x +8 or 8(2x+y)
group the number together according to alphabet and number
D.
Step-by-step explanation:
because cos0 = b/h
so cos0 = 8/15
Step-by-step explanation:
This is an example of correlation because there is an obvious relationship between the two scenarios.
Answer:
Option C
Step-by-step explanation:
Given that for a random sample of 20 houses selected from a city showed that the mean size of these houses is 1880 square feet with a standard deviation of 320 square feet.
X, the sizes of houses is Normal
Hence sample mean will be normal with
Mean = 1880
and std dev = 
For 90% confidence interval critical value for t with degree of freedom 19 is
1.328
Confidence interval upper bound
= mean + margin of error
= 
Option C is right
Answer:
x = 4
Step-by-step explanation:
steps are in the pic above.