Jamila earns $14,$11,$20,$15,$20 from babysitting 7 times. Find the interquartile range or IQR

Abag contains 3 red marbles 4 white marbles and 5 blue marbles if one marble is drawn from the bag what is the probability that the marble will be blue

Write the expression 7x^3-28xy^2 as the product of 3 factors

You can ride your bike around your block 6 times and the whole neighborhood 5 times in 16 minutes. you can ride your bike around your block 3 times and the whole neighborhood 10 times in 23 minutes. how long does it take you to ride around the neighborhood?