40, 25, 20, 45, 55, 30, 25, 50, 60, 35, 30
What is the value of the upper quartile?

3x + 4y = 5 x- 3y = -7 solve by substitution

Which of these angles are complementary? a. 45o and 45o b. 63o and 117o c. 45o and 135o d. 90o and 45o

Out of the 180 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? 72% 40% 54% 98%