What are the answers to all of these problems?
MAKE SURE TO USE STEP BY STEP

Find the indicated value, where g(t) = t^2-t and f(x)= 1+x a. -2 b. 0 c. 2 d. 8

Anna is constructing a line segment that is congruent to another segment ab. for the construction, which tool should be used to mesure segment ab

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).