What are the approximate solutions of 4x^2 + 3 = -12x to the nearest hundredth?

a.) x ≈ -3.23 and x ≈ 0.23
b.) x ≈ -2.72 and x ≈ -0.28
c.) x ≈ 0.28 and x ≈ 2.72
d.) x ≈ -0.23 and x ≈ 3.23

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

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

Donald has x twenty-dollar bills and 11 ten-dollar bill. how much money does donald have? write your answer as an expression.