Michelangelo buys a computer for $400. He is charged a 6% tax. How much is just the tax?

How much is the total?

pls show work

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

Which approach to the theory-and-research cycle does the following sequence reflect: (1) specific observations suggest generalizations, (2) generalizations produce a tentative theory, (3) the theory is tested through the formation of hypotheses, and (4) hypotheses may provide suggestions for additional observations?

Rectangle bcde is similar to rectangle vwxy. what is the length of side vy? a) 1 7 b) 2 7 c) 3 7 d) 4 7