Which of the following statements is true?
a) a polynomial equation is either a linear equation or a quadratic equation.
b) every linear equation is also a quadratic equation.
c) every quadratic equation is also a linear equation.
d) all linear equation and all quadratic equations are polynomial equations.

Which is f(5) for the function –2x2 + 2x - 3?

The measures of the angles in △abc are given by the expressions in the table. angle measure angle a 65° angle b (3x−10)° angle c (2x)∘ find the value of x. then find the m∠b and m∠c.

Aprobability experiment is conducted in which the sample space of the experiment is s={7,8,9,10,11,12,13,14,15,16,17,18}, event f={7,8,9,10,11,12}, and event g={11,12,13,14}. assume that each outcome is equally likely. list the outcomes in f or g. find p(f or g) by counting the number of outcomes in f or g. determine p(f or g) using the general addition rule.