If (r, s) is the solution to the system of equations, what is the value of r? −8r − 8s = 100 r − 2s = 10 A) −5 B) − 15 2 C) 5 D) 15 2

It takes jonas 7 1/4 minutes to run the mile. it takes mario 8 5/12 to run the mile. how much faster is jonas than mario? 5/6 minute 1 1/3 minutes 1 1/6 minutes 1 1/2 minutesi will give points and brainlest

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then

Find the cosine function that is represented in the graph.