Can someone please help? The value of a plot of land increases 8% every year. The value is $350000 now, and the owner wants to sell it when the value is at least $570000. Shanna writes an exponential function of the form, V(t)=a*b^t, to model the value, v, of the land in t years. I need to know what the value of b is and the domain

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?