What is the smallest number you can make using the digits : 8216375

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.

Joanie wrote a letter that was 1 1/4 pages long. katie wrote a letter that was 3/4 page shorter then joagies letter. how long was katies letter