The sum of n/2 for values between 1 and n, as n approaches infinity, approaches ___ .

4 - 5 x 2 + 7 =?

What is the derivative w.r.t 'x' of the function f(x) = 6sin(3x) ?

What number is 70% of 370?

What is the discriminant of the quadratic equation y = ax^2 + bx + c ?

Which of the following is NOT a valid identity?

If you have two pennies, the probability of both coming up heads when flipped is _____.

Can anybody solve this.... ?? +?? +?? __________

A _____ is a message about life that can be understood in most cultures.

A _____ consists of horizontal bars, connected with arrows that indicate task dependencies.

________ shape(s) how we evaluate information, not just which choice we select.