Which ordered pair is a solution of the system?
x + 4y = 19
y = -2x - 4

a. (3,4)
b. (7,3)
c. (-5,6)
d. (-2,0)

Alonso walked with his friend andy one day, and wanted to compare their speeds. alonso walked 3 miles in one hour, and andy walked 2 miles in 2 hours. complete the table to graph the relationship for each person.

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

Suppose a store sells an average of 80 cases of soda per day. assume that each case contains 24 cans of soda and that the store is open 10 hours per day. find the average number of soda that the store sells per hour.