a tree is 42 feet tall. its shadow is 26 feet long, if a man nearby is 5.5 feet tall how long would his shadow be

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?

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.

Y= 4x + 3 y = - 1 4 x - 5 what is the best description for the lines represented by the equations?