Select the choice that translates the following verbal phrase correctly to algebra: one half of a number decreased by 16
a. n minus 16 over 2
b. one halfn − 16
c. one half(n − 16)
d. n − one half(16)

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?

Solve the system of equations y= 3/2 - 1, -x+ y =-3

Zoey made 5 1/2 cups of trail mix for a camping trip. she wants to divide the trail mix into 3/4 cup servings. a. ten people are going on the trip. can zoey make enough 3/4 cup servings so that each person gets one serving? b. what size would the servings need to be for everyone to have a serving?