Determine the number and type of complex solutions and possible real solutions for each of the following equations.

1) 2x2 + 5x + 3 = 0

2) 4x3 – 12x + 9 = 0

3) 2x4 + x2 – x + 6 = 0

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?

What is the sum of the first 8 terms of the geometric series