Evaluate without using a calculator

899^2 - 2 * 899 * 898 + 898^2

Which matrix multiplication is possible?

It took alice 5 5/6 hours to drive to her grandparents' house for . on the way home, she ran into traffic and it took her 7 3/8 hours. how much longer did the return trip take? write your answer as a proper fraction or mixed number in simplest form. the trip home took __hours longer. ?

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12