Seven times a number is no lees than 42. (solve and graph the inequality)

Triangle xyz has vertices x(1,3), y(0,0)

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

The function f(x) = 14,600(1.1)* represents the population of a town x years after it was established. what was the original population of the town?