4) Use the discriminant to determine how many real roots the following function has. Reminder: Discriminant = b^2 - 4ac 2x2 – 8x + 25
a. 2 real solutions
b. 1 real solution
c. No real solutions

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?

The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?

The statement tan theta= -12/5, csc theta=-13/12, and the terminal point determained by theta is in quadrant two