To pass science, a student must earn at least a grade of 70. How many students failed this science class?
Science Grades
Number of Students
50 - 59
60 - 69
80-89
90 - 100
70 - 79

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

The graph of y x3 is translated so that the point (1. 1) is moved to (1, 4). what is the equation of the new graph?

Apassenger train and a freight train leave san jose at 3pm, traveling in the same direction. the passenger train is going three times as fast as the freight train. at 6pm they are 240 miles apart. how fast is each travelling? explain your answer and show your