Explain the differences and similarities between the following: expressions, algebraic expressions, equations, and algebraic equations.

Identify the graph of y = ln x + 1.

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%

If sina is 4/5 then find the value of sin3a . with explanation.