Roots of f(x)=0.1x^3 - 1.4x^2 + 6.0x - 7.2

Me! #1 write an equation for the interior angles of this triangle that uses the triangle sum theorem. #2 what is the value of x? #3 what is the measure of #4 classify the triangle above as acute, obtuse, or right. state your reason in a complete sentence.

What percent of the circle below is shaded?

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?