If the discriminant of an equation is negative, which of the following is true of the equation

A it has two complex solutions

B it has one real solution

C it had two real solutions

What would be the volume in millilitres of a blood sample of 2.15 microliters (ul) ?

Bytes in a shop that sells computers and digital cameras. In 2003, Bytes sold 620 computers. In 2004, Bytes sold 708 computers. Work out the percentage increase in the number of computers sold. Give your answer to an appropriate degree of accuracy

2/5 of the candy in a bag are mints. There are 34 mint candies. How many candies in total are in the bag

Lydia had 20 minutes to do a three-problem quiz. She spent 9 7/10 minutes on question A and 5 2/5 minutes on question B. How much time did she have left for question C?

Find the radius of convergence, r, of the series. ∞ (x - 8) n n7 + 1 n = 0

Penny makes baskets and sells them for $12 each. The materials to make her baskets cost $2 per basket. How much will it cost her to make 24 baskets?

Which of the following is true about a nonlinear function? It has a constant rate of change. It can be curved. It looks like a straight line. It must cross the origin.

What is the correct classification of 7x^2+9x+4

The lengths of the sides of a triangle are 17, 8 and n. Which of the following must be true

Nine times a number increased by 21 is no more than twice the number