4. The cost of purchasing songs from a particular online service can be found by using the following equation: c= 1.390 + 3.50 Where c represents the total cost and d represents the number of songs downloaded. If Josh spent a total of $20.18, how many songs did he download? A 12 B 6 C 11 D 7​

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us

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.

Evaluate the expression. (9 + 5)(3 + 2)0