The "double-r-7" ranch has a new owner. the 20 animals, all hummingbirds and mice, are dismayed, as they have heard that he is both foolish and inexperienced. not being quite sure what he was looking for, however, he checked on the health of his animals by inspecting all their feet. there were 64 feet in all. how many hummingbirds and how many mice are on this ranch?
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(b) suppose that consolidated power decides to use a level of significance of α = .05, and suppose a random sample of 100 temperature readings is obtained. if the sample mean of the 100 temperature readings is x⎯⎯ = 60.990, test h0 versus ha and determine whether the power plant should be shut down and the cooling system repaired. perform the hypothesis test by using a critical value and a p-value. assume σ = 5. (round your z to 2 decimal places and p-value to 4 decimal places.)

Solve for x. −3/4(x+2)=6 enter your answer in the box

To find the inverse of a number a, one can use the equation f(c) = a-1/c=0 where c is the inverse of a use the secant method of finding roots of equations to find the inverse of a = 2.5 ,er = 0.001%