Which expression is equivalent to the given expression? 3(x-7)+4(x^2-2x+9)

Closing a credit card usually _your debt ratio.a. increasesb. decreasesc. improvesd. has no effect on

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

With alll of except for the 2 that i did already