The difference of two radii of two circles is 21m and sum of their circumference is 660m. Find the radii of the circles.​

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

Proportions in triangles solve for x

Traffic on saturday, it took ms. torres 24 minutes to drive 20 miles from her home to her office. during friday's rush hour, it took 75 minutes to drive the same distance. a. what was ms. torres's average speed in miles per hour on saturday? b. what was her average speed in miles per hour on friday?