Angle Q and angle R are complementary. If angle Q = 68.9 degrees, what is
the measure of angle R

Can someone me and do the problem plz so i can understand it more better

What is the location of maximum over the interval [-3,1.5] for the graphed function?

Mahnoor randomly selects times to walk into a local restaurant and observe the type of music being played she found that the restaurant was playing country 11 times rock & roll 17 times and blues 8 times use the observed frequencies to create a probability model for the type of music the restaurant is playing the next time mahnoor walks in.