4. a) vic wrote the polynomial xa + xb + 2a - 25
and factored it as xla + b) + 2(0-b). can this
expression be factored further? explain.
b) lyn wrote the polynomial xa + xb - 2a - 25
factor lyn's polynomial.

What is the frequency of the sinusoidal graph?

Which question is not a good survey question? a.don't you agree that the financial crisis is essentially over? 63on average, how many hours do you sleep per day? c. what is your opinion of educational funding this year? d.are you happy with the availability of electronic products in your state?

For the chance to be team captain, the numbers 1-30 are put in a hat and you get two chances to pick a number, without replacement. which formula correctly shows how to find the probability that you choose the number 1 and then 2?