The equation y=2x^2-4x-3 models the cross sectioj of a sculpture that sits in the water where x is the horizontal distance and y is the height above sea level. at what two values is the sculpture at sea level? PLEASE HELP

Complete the frequency table: method of travel to school walk/bike bus car row totals under age 15 60 165 age 15 and above 65 195 column totals 152 110 98 360 what percentage of students under age 15 travel to school by car? round to the nearest whole percent.