Guys help plz What is the coefficient of y^2 in the expression 2x^2y – 10xy^2 + 5y^2?

Look at attachment. has all info needed. need

The cone in the diagram has the same height and base area as the prism. what is the ratio of the volume of the cone to the volume of the prism? h hl base area-b base area =b volume of cone_1 volume of prism 2 volume of cone 1 volume of prism 3 volume of cone 2 volume of prism 3 oc. od. volume of cone volume of prism e. volume of cone volume of prism 3 2

Ntriangle abc, m∠a = 35° and m∠b = 40°, and a=9. which equation should you solve to find b?