From last year's graduating class 75 students went to college. From this years class 80 students will go to college. Find the percent of change to the nearest tenth of a percent? answer fast please

Malia is observing the velocity of a cyclist at different times. after two hours, the velocity of the cyclist is 15 km/h. after five hours, the velocity of the cyclist is 12 km/h. part a: write an equation in two variables in the standard form that can be used to describe the velocity of the cyclist at different times. show your work and define the variables used. (5 points) part b: how can you graph the equations obtained in part a for the first 12 hours? (5 points) if you can try and make this as little confusing as you can

Which is the graph of f(x) = (4)x? image for option 1 image for option 2 image for option 3 image for option 4

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