What is the frequency for the interval 86–88 in this histogram? 80, 82, 83, 83, 84, 85, 85, 85, 86, 87, 87, 88, 88, 88, 87, 86, 87, 88 A. 2 B. 6 C. 10 D. 12

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?

X2 + y 2 = 36 x + y = 6 solve the system of equations.

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]