Solve the equation by using the quadratic formula 8x^2 -2x -15=0

Which is a possible result of higher air temperatures caused by global warming? a. increase in sea level b. freezing of polar ice caps c. rapid evaporation of water in the soil d. flooding of low-lying coastal areas

#4.) describe the most likely weather conditions at indiana / ohio boarder. also could someone double check my other answers? i'd really appreciate it

Solve for r in the formula v = ir, when i = 5 and v = 15.