Describe the end behavior of the graph of the polynomial function by completing these statements: f(x) + ? as x -- and f(x) → ?_ as x++o.
8. f(x) = --533
9. f(x) = 235 – 732 -- 43.
10. f(x) = 2x8 + 9x? + 10
11. f(x) = -1276 -- 2x + 5

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?

Aschool allots ? 1500 to spend on a trip to the theatre. theatre tickets have a regular cost of ? 55 each and are on offer for 1 5 off. a train ticket for the day will cost ? 12 each. if 2 teachers and the maximum number of students attend, how much money will the school have left over?

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?