What is the perimeter of a rectangle with a length of 20 inches and a width of 18 inches?

Find the average speed of a rabbit that runs a distance of 22 m in a time of 1.8 s .

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?

Find the area of the triangle shown 3 by 6