Abag contains 5 red marbles, 3 blue marbles, 7 yellow marbles, and 2 green marbles. which ratio can be used to compare the red marbles to the blue marbles? a) 3 5 b) 3 8 c) 5 3 d) 5 8

Factor and solve to find roots x squared -x - 90 =0

Mike wants to make meatloaf. his recipe uses a total of 8 pounds of meat. if he uses a 3 to 1 ratio of beef to pork, how much pork will he use? enter your answer as a mixed number in simplest terms.

Aremote-controlled boat can travel at 4 feet per second in calm water. the boat traveled 48 feet with the current, and then it traveled 16 feet against the current in the same amount of time. how fast is the current?