A cereal mixture contains rice, wheat and corn in the ratio of 3:7:9. How many kilograms of mixture are there

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

1jessica's home town is a mid-sized city experiencing a decline in population. the following graph models the estimated population if the decline continues at the same rate. select the most appropriate unit for the measure of time that the graph represents. a. years b. hours c. days d. weeks

Determine domain and range, largest open interval, and intervals which function is continuous.