Jasmine answered 19 out of 25 questions correctly on her test . what is her test score

Part a: select all of the ordered pairs that are located on the graph of the equation. part b: does the graph of the equation represent a function? select all correct answers for part a and one answer for part b.

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.