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 height of a birch tree, f(x), in inches, after x months is shown in the graph below. how much does the birch tree grow per month, and what will be the height of the birch tree after 10 months? a. the birch tree grows 1 inch per month. the height of the birch tree will be 16 inches after 10 months. b. the birch tree grows 2 inches per month. the height of the birch tree will be 26 inches after 10 months. c. the birch tree grows 3 inches per month. the height of the birch tree will be 36 inches after 10 months. d. the birch tree grows 2 inches per month. the height of the birch tree will be 24 inches after 10 months.

If np3 /nc2 = 6, find the value of n

The average length of a king cobra is 3.7 m. the record length is 1.88 m longer than the average. how long is the record holder?