An elevator is on the 15th floor. it goes down eight floors. What floor is the elevator on now?

What is the measure of angle tvu shown in the diagram below

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .

Secant be and cf intersect at point d inside a what is the measure of cde