Houses in NE Ohio average 1900sq ft. and have a standard deviation of 150 sq ft. A random sample of 45 homes will be observed. What are the mean and standard deviation of the sampling distribution of the sample mean?

help pleaseIf Sara h ’s mother re a l ly likes the service in

a re s t a u ra n t , she leaves a 20% tip. Their last

bill was $110.00, and Sara h ’s mother left

$22.00 for the tip. Explain how you know

t h at this is 20%.

Step-by-step explanation:

Step-by-step explanation:

x=47, y=133

Step-by-step explanation:

The angles of a triagnle always add up to 180,

180-86-47=47, x=47, x and y make a supplementary angle so subtract x from 180 to find y, y=133