Work out the first five terms of the sequence with an nth term of:
6x4^n - 1
3×7^n
2×5^n - 1
6×10^n - 1
18×3^n

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

As voters exit the polls, you ask a representative random sample of voters if they voted for a proposition. if the true percentage of voters who vote for the proposition is 63%, what is the probability that, in your sample, exactly 5 do not voted for the proposition before 2 voted for the proposition? the probability is

One x-intercept for a parabola is at the point (1,0). use the factor method to find x-intercept for the parabola defined by the equation y=-3x^2+5x+2