What is the equation of a line, in slope intercept form, with a slope of 1/2 and passes through the point (4, 0)?

Which value of c would make he following expression completely factored? 8x+cy

The square root of 9x plus 7 plus the square rot of 2x equall to 7

Cody started biking to the park traveling 15 mph, after some time the bike got a flat so cody walked the rest of the way, traveling 4 mph. if the total trip to the park took 6 hours and it was 46 miles away, how long did cody travel at each speed? solve using rate times time= distance