If a set of 6 numbers that include both rational and irrational numbers is graphed on a number line, what is the fewest number of distinct points that need to be graphed? explain.

2x - 20 = 32 20 - 3x = 8 6x - 8 = 16 -13 - 3x = -10

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

Factor the following expression. 27y3 – 343 a. (3y + 7)(9y2 + 2ly + 49) b. (3y – 7)(9y2 + 2ly + 49) c. (3y – 7)(932 – 217 + 49) d. (3y + 7)(92 – 2ly + 49)