What is the solution of the equation over the complex numbers?

x2+20=0

Enter your answers, as exact values, in the boxes.

Evaluate the expression when x=3 and z=-6. z:x=

Which of the following is the graph of y = x2 + 2x + 1

Pythagoras Theorem and Quadratic Equations Solve for x: a = (x-2) b = 9 c = (x+1)

Angel has twice as many marbles as Susan together they have 36 marbles how many marbles does Angel have

113.0975 to 3 significant figures

A lottery game has balls numbered 3 through 17. If a ball is selected at random, what is the probability of obtaining an odd numbered ball or the number 11 ball?

Robert bought 2 movie tickets for $10. Deion spent $20 on 4 movie tickets

What is the formula of the area of any triangle

Two groups of tourists each have 60 people. If 3/4 of the first group and 2/3 of the second group board buses to travel to a museum, how many more people in the first group board buses than in the second group?

How do you write this polynomial in factored form? x^3+7x^2+10x