3. the only solution of the equation x^2 + bx + 16 = 0 is
x = 4. what is the value of b?
a.) b = –16
b.) b = –8
c.) b = 8
d.) b = 16

An optical inspection system is used to distinguish among different part types. the probability of a correct classification of any part is 0.92. suppose that three parts are inspected and that the classifications are independent. let the random variable x denote the number of parts that are correctly classified. determine the probability mass function of x. round your answers to four decimal places (e.g. 98.7654). x f(x) 0 1 2 3

Madeline takes her family on a boat ride. going through york canal, she drives 6 miles in 10 minutes. later on as she crosses stover lake, she drives 30 minutes at the same average speed. which statement about the distances is true?

What is the measure of angle 1? a.28 b.152 c.168 d.64