Which of the following is a complex number?
o A.–3+pie
O B. -12 + i^2
C. 17+ 5 squared
D. 6+-5 squared

Jackson drew 4 hearts and 29 circles. what is the ratio of circles to all shapes?

Iam trying to solve a linear equation for the shoe size of someone 84" tall taking into consideration example 1 is 69" tall with a shoe size of 9 and example 2 is 72 inches tall with a shoe size of 11. i understand that the equation should be y=mx+b and that on the graph the answer is (3,2) but i just don't understand how to create the equation to solve for 84-inches and 60-inches tall questions. after two days, i need .

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 + 4x + 5 = 0