Ataxi charges a flat rate of $1.75 plus and additional $0.65 per mile. if erica has at most $10 to spend on a cab ride, how far could she travel?

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

What’s the answer ? use the picture to see the problem

Find the volume of the solid obtained by rotating the region enclosed by the curves y=1x and y=7^-x about the x-axis. (use symbolic notation and fractions where needed.) volume =