What is the arc length generated by the 20 degree angle rotation on a circle that has a radius of 35 inches?

Which statement best describes a square? a. a special rectangle that has four right angles b. a special trapezoid that has four sides of equal length c. a special rectangle that has four sides of equal length d. a special trapezoid that has four right angles

Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=