In a triangle one interior angle has a measure of 40 degrees, the second is 25 degrees, what is the measurement of the third angle? *

Rectangle leg this 11feet and perimeter of 38feet what is the width of the rectangle in feet

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?

Combine like terms to make a simpler expression 3z+z