Write an equation for the n th term of the arithmetic sequence 56, 48, 40, 32,

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?

If the class creates a histogram of the data in table, how many students are in the range 12cm to 13.9 cm

Out of the 150 students at a summer camp, 72 signed up for canoeing. there were 23 students who signed up for trekking, and 13 of those students also signed up for canoeing. use a two-way table to organize the information and answer the following question: approximately what percentage of students signed up for neither canoeing nor trekking?