Which is the equation in slope-intercept form of the line that contains points a and c?

x = -y -6
x + y = 6
y+ 4 = -1 (x+2)
y= -x -6

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?

Student price tickets to a movie are $1 and non student tickets are $2 . 350 tickets are sold and the total amount made is $450. there were 250 student tickets sold . true or false .

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?