Which graph shows the solution to this inequality? 3r + 2(12r + 7) ≤ 5r – 8
A. A number line with a solid dot at negative 1 shaded to the right.
B. A number line with a solid dot at 1 shaded to the left.
C. A number line with a solid dot at 1 shaded to the right.
D. A number line with a solid dot at negative 1 shaded to the left.

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

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12