Barb has 25 sweets. She has 17 liquorice sweets, 3 mint sweets and 5 humbugs.
Barb is going to take at random two sweets.
Work out the probability that the two sweets will not be the same type of sweet.
Give your answer as a fraction.

The height of a triangle is 4 in. greater than twice its base. the area of the triangle is no more than 168 in.^2. which inequalitycan be used to find the possible lengths, x, of the base of the triangle?

Little’s law firm has just one lawyer. customers arrive randomly at an average rate of 6 per 8 hour workday. service times have a mean of 50 minutes and a standard deviation of 20 minutes. how long does a customer spend at little’s law firm on average?

Use the x-intercept method to find all real solutions of the equation. -9x^3-7x^2-96x+36=3x^3+x^2-3x+8