Which statement is true about the product square root of 2(5 + square root of 8)?
a).it is rational and equal to 7.
b).it is rational and equal to 9.
c).it is irrational and equal to 4 + square root of 10.
d).it is irrational and equal to 4 + 5square root of 2.

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%