Which expression represents the area of a circle with a radius of 7 units ?

A
7∙2∙π
B
7∙7∙π
C
7∙π∙π
D
3.5∙3.5∙π

Use the distributive law to multiply. 3(4x + 5y + 6)

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?

1. are the corresponding angles congruent 2. find the ratios of the corresponding sides 3. is triangle jkl congruent to triangle rst? if so what is the scale factor