Which of the following is a complex number?

A. - 7

B. 2 + square root of 3

C. 4 + 9i

D. pi

It has 2 more vertex than an octagon and 2 fewer sides then a hendecagon

Name the set (s) of numbers to which 1.92 belongs A.) None of the above B.) Rational numbers, irrational numbers C.) Rational numbers D.) Natural numbers, whole numbers, integers, rational numbers

In a poll 492 out of 1666 people said that they prefer chocolate ice cream to vanilla what is the probability that a person who was polled prefers chocolate ice cream to vanilla

Let f (x) = cos-1x. Then the domain of f (x) is [-1,1] and the range is all real numbers. true or false?

How to find the perimeter of a octagon

A factory can produce two products, x and y, with a profit approximated by P = 14x + 22y - 900. The production of y can exceed x by no more than 100 units. Moreover, production levels are limited by the formula x + 2y ≤ 1,400.

What is the greatest common factor between 8x and 40?

John and Jim painted a fence John painted 1/4 of the fence and Jim painted 5/12 of the fence how much fence do they paint total

Why do you need to calculate mean, or modo of a set of data?

Two opposite sides of a parallelogram are 3x-8 and 10x+13. Find the measure of all sides