Which expression correctly represents “ten times the difference of a number and six”? 10(n-6) 10(6-n) 10(n)-6 10(6)-n

The number of nails of a given length is normally distributed with a mean length of 5.00 in, and a standard deviation of 0.03 in. find the number of nails in a bag of 120 that are less than 4.94 in. long.

What statement is true? 2x^2-9x+2=-1

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