The average salary for a random sample of 49 new (less than 3 years) professors in psychology graduate departments in 2012 was $90,000. The population, all professors with all years of experience in psychology graduate departments across the country, earned an average salary of $110,960, with a standard deviation of $39,295. Did the average salary of the new full psychology professors differ from that of all psychology professors as a whole

Arectangle has a width of 5 cm and a length of 10 cm. if the width is increased by 3, how does the perimeter change?

A. plot the data for the functions f(x) and g(x) on a grid and connect the points. x -2 -1 0 1 2 f(x) 1/9 1/3 1 3 9 x -2 -1 0 1 2 g(x) -4 -2 0 2 4 b. which function could be described as exponential and which as linear? explain. c. if the functions continue with the same pattern, will the function values ever be equal? if so, give estimates for the value of x that will make the function values equals. if not, explain why the function values will never be equal.

Which graph has figures that can undergo a similarity transformation to justify that they are similar? (obviously not the third one)