Arectangle has a length of x inches and a width of 10 inches. what is the best equation to represent the perimeter of the rectangle?

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%

If sin(x) = 0 and cos(x) = 1, what is tan(x)?

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how