During the holiday season, the number of letters a post office received per day had an approximately normal distribution with a mean of 20,000 and a standard deviation of 400. What proportion of days have more than 20,500 letters?

where are the images of the functions i can only see the question you typed.

step-by-step explanation:

r and t.

both are 64 degrees.

the multiples of 15 are 15, 30,45, 60, 75, 90, 105, 120, 135, 150, 165, 180, 195,   210, 225, 240, 255, 270, 285, 300, 315, 330, 345, 360, 375,   390, 405, 420, 435, 450, 465, 480, 495, 510, 525, 540, 555, 570, 585, 600, 615, 630, 645, 660, 675, 690, 705, 720, and 735.

the factors of 15 are 1, 3, 5, and 15.

hope that , fam!

-une, your fren : )

multiply each one by 3.14

step-by-step explanation: