What is the slope and Perpendicular Slope? Help soon please, No fake answers.

What is the length of the missing leg in this right triangle? 18 mm 24 mm 26 mm 32 mm

Select the sequences that are geometric.

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?