Write an algebraic expression for the phrase below. Use k for the variable.
the product of a number and six

Is this a polynomial function? i need to know asap

Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10