Calculate the average rate of change for the given graph from x = -2 to x = 0 and select the correct answer below.
parabolic function going up from the left through the point negative two comma negative one and turning at the point negative o
elect one:
a. 0
b. 1
c. -1
d. -2

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?

33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.

What is the solution to the equation in the & show work i’m very