Before an election, a scientific poll conducted amongst voters found that Candidate A has 53% and Candidate B 47%. The poll has a margin of error of +4%.
htAssuming the poll unbiased:
a) Can you conclude Candidate will be the winner given the poll result?
b) What are the two extreme possibilities?

The distance between two cities is 368 miles. if the scale on the map is 1/4 inch=23 miles, what is the distance between the cities on the map?

Prove that (x-2)is factor of p (x)=2x³-3x²-17x+30

You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?