Determine if (1,-6) and (3,14) are solutions to the system of equations: y = 4x + 2 y = x2 + 5 a) both are solutions. b) neither is a solution. c) it cannot be determined. d) only (3,14) is a solution.

The cost varies directly with the number of tickets purchased. it costs $145 for 10 people to attend a concert. a. what is the constant of proportionality (k)? b. write the direct variation equation. c. home much does it cost for 8 people? d. graph this situation. be sure to label each axis and give the graph a title.