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a circle is centered at (5, −9) and has a radius of 12. which of the following is the equation for this circle?

a (x − 5)2 + (y + 9)2 = 12

b (x − 5)2 + (y + 9)2 = 144

c (x + 5)2 + (y − 9)2 = 144

d (x + 5)2 + (y − 9)2 = 12

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 25, a standard deviation of 2.5, and margin of error of 5%

‼️‼️‼️‼️‼️the pressure exerted on the walls of a container by a gas enclosed within it is directly proportional to the temperature of the gas. if the pressure is 6 pounds per square inch when the temperature is 440 f, find the pressure exerted when the temperature of the gas is 380°f. (show work)