Which polynomial is in standard form?
1+2x–8x^2+6x^3
2x2+6x^3 -9x+12
6x^3 + 5x - 3x^2+2
2x^3 +4x^2 -7x+5

What expression is equivalent to (2x-1)(x-3)?

which of the following sets of data would produce the largest value for an independent-measures t statistic? the two sample means are 10 and 20 with variances of 20 and 25 the two sample means are 10 and 20 with variances of 120 and 125 the two sample means are 10 and 12 with sample variances of 20 and 25 the two sample means are 10 and 12 with variances of 120 and 125

Ablue whale traveled 3112 miles in 214hours. what was the whale's rate in yards per hour? (1 mile = 1,760 yards)