The graph shows the number of pages of a book that Caleb reads in several days. What is the slope of the line that represents how many pages Caleb read per day? (The coordinates are (4, 200))

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?

What is the solution set of the quadratic inequality x^2-5< or equal to 0

What is the expression in factored form? -20x^2 - 12x a. 4x(5x+3) b. -4x(5x-3) c. -4(5x+3) d. -4x(5x+3)