Solve for x
7x−4≤6

Give your answer as an improper fraction in its simplest form.

Acircle has the equation (x-2)^2 +y^2 =5. what are the coordinates of the circle's center?

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?

Can someone, me with this.i really need with this