The coordinates of the endpoints of NO are N(-9,1) and O(7,9) . Point P is on NO and divides it such that NP:OP is 1:3 what is the coordinates of p ?

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?

If you answer 2+2 you will get over 80 points

Your company withheld $4,463 from your paycheck for taxes. you received a $713 tax refund. select the best answer round to the nearest 100 to estimate how much you paid in taxes.