Choose the correct simplification of (5x3 − 5x − 8) + (2x3 + 4x + 2). 7x3 + x + 6 3x3 − 9x − 10 3x3 + 9x + 10 7x3 − x − 6

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?

Given the median qr and trapezoid mnpo what is the value of x?

Solve the equation.then check your solution 8=1.88+a