Two angles of a triangle are 40° and 75°. Find the third side (please mention the property used if any)

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

Solve each quadratic equation by factoring and using the zero product property. 14x - 49 = x^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%