3x + ky = 8 X – 2ky = 5
are simultaneous equations where k is a constant.
Show that x = 3.

M.xyz =radians. covert this radian measure to its equivalent measure in degrees.

The median for the given set of six ordered data values is 29.5 9 12 25 __ 41 48 what is the missing value?

Exclude leap years from the following calculations. (a) compute the probability that a randomly selected person does not have a birthday on october 4. (type an integer or a decimal rounded to three decimal places as needed.) (b) compute the probability that a randomly selected person does not have a birthday on the 1st day of a month. (type an integer or a decimal rounded to three decimal places as needed.) (c) compute the probability that a randomly selected person does not have a birthday on the 30th day of a month. (type an integer or a decimal rounded to three decimal places as needed.) (d) compute the probability that a randomly selected person was not born in january. (type an integer or a decimal rounded to three decimal places as needed.)