Please help me with this sum

Which type of graph would allow us to compare the median number of teeth for mammals and reptiles easily

Ven the functions, f(x) = 5x2 - 3x + 1 and g(x) = 2x2 + x - 2, perform the indicated operation. when applicable, state the domain restriction. (f - g)(x) 3x2 - 4x + 3 3x2 - 2x - 1 3x2 - 4x - 1 3x2 - 2x + 3

Which is the standard form for this number? (2 x 10) + (5 x 1) + (8 x 1 10,000 )