what is the 18th term in an arithmetic sequence with the first term equal to 6 and the constant difference equalto 17?

Just tell me how to set up the equation.

Three friends went on a road trip from phoenix, az, to san diego, ca. mark drove 50 percent of the distance. jason drove 1/8 of the distance. andy drove the remainder of the distance. 1. andy thinks he drove 1/4 of the distance from phoenix, az, to san diego, ca. is andy correct? 2. the distance from phoenix, az, to san diego, ca, is 360 miles. how many miles did each person drive? 3. solve the problem. what is the answer in total?

Drag each equation to the correct location on the table. for each equation, determine the number of solutions and place on the appropriate field in the table.