A survey of 100 people found that 35 people exercise in the morning, 45 people exercise in the afternoon, and 20 people exercise at night. Tara claims that 35:55, 45,80, and 20:65 are possible ratios from this data Jim claims that 35:100, 45: 100, and 20: 100 are possible ratios from this data Who is correct? Explain

If i have one apple and give you the apple, how many apples do i have?

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?