What is the missing expression?

x^8 + 3x^5 =

If x=-3 is the only x-intercept of the graph of a quadratic equation, which statement best discribes the discriminant of the equation?

Abe is a triangle. can you use the sss postulate or the sas postulate to prove triangle abc = triangle aed? by sss only neither apply both apply by sas only

What describes horizontal cross section of the right rectangle 6m 8m 5m