How many different 7-digit PIN codes using only the digits 0-9 are possible?

What aspects of lines have to be diffrent

Determine whether the points (–3,–6) and (2,–8) are in the solution set of the system of inequalities below. x ? –3 y < 5? 3x + 2 a. the point (–3,–6) is not in the solution set, and the point (2,–8) is in the solution set. b. neither of the points is in the solution set. c. the point (–3,–6) is in the solution set, and the point (2,–8) is not in the solution set. d. both points are in the solution set.

How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?