Guys i know its a long shot, but i figure someone could help me... Ive been stuck on four math questions for 3 hours... I cant depict the way to do this out of my notes! Here are the questions, any help is appreciated:
1) A club bought a pool table for $720. They plan to share costs amongst all the members. Unfortunately, 2 members quit, raising the coast per person by $4. How many members are in the club?
2) For what values of p does this equation have 2 equal real roots --> pxx-5x+p=0 (By xx i mean x squared)
3) Find the equation of a quadratic function that has roots at 2+-3(square root 5)
4)If a boat goes 65 km up river, then 55 km downriver in 15 hours, and the current is travelling at 5km/h, how fast is the boat?
Any help is appreciated asap
