Need fast provide work so i know you know what your doing you have 2 lines. the first goes through points (7, 0) and (4, 6). the second goes through points (1, 1) and (5,3). these lines are: a) perpendicular b) parallel c) horizontal and vertical d) none of the above

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?

Determine whether the points (–3,–6) and (2,–8) are in the solution set of the system of inequalities below. x ? –3 y < 5? 3x + 2 a. the point (–3,–6) is not in the solution set, and the point (2,–8) is in the solution set. b. neither of the points is in the solution set. c. the point (–3,–6) is in the solution set, and the point (2,–8) is not in the solution set. d. both points are in the solution set.

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?