4 different sets of objects contained 2,5,6, and 7 objects, respectively. How many unique combinations can be formed by picking one object from each set. A. 400

B. 420

C. 20

D. 114

When only separate discreet points are graphed it is called?

Suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 109. a university plans to award scholarships to students whose scores are in the top 2%. what is the minimum score required for the scholarship? round your answer to the nearest whole number, if necessary.

Which of the following represents the factorization of the trinomial below? x^2+7x-30