Steve is 15 miles from his house. He starts walking and 1 hour later he is 12 miles away. If he continues walking at the same pace, how long will it
take for him to get home?

Can some one me with these questions

Consider circle c with angle acb measuring 3/4 radians.if minor arc ab measures 9 inches, what is the length of the radius of circle c? if necessary, round your answer to the nearest inch.

For a function f(x), a) if f(7) = 22 then f^-1(22) = b) f^-1(f(c)) =