Which is the best estimate for the weight of an automobile? 10 pounds
100 ounces
1 ton
100 pounds
Done -

Explain how you can use the associative property to evaluate (7x50)x4.

What percent of the circle below is shaded?

Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the given zeros. 3, 4+2i, 1+(sqrt)7 the answer is supposed to be: f(x)=x(^5)-13x(^4)+60x(^3)-82x(^2)-144x+360 what am i doing wrong?