The algebraic expression
(3x2 - 4x + 7) - 2(1 - 2x + x2)
in standard form will be a binomial
ax2 + c.

Anormally distributed data set has a mean of 176.3 and a standard deviation of 4.2. what is the approximate z-score for the data value of 167.9? 2.00 −2.00 8.4 −8.4

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?

Harry and jay are both flying on the same plane with an airline that randomly assigns seats to passengers. of the 182 total seats on the plane, 62 are window seats, 58 are middle seats, and the rest are aisle seats. what is the approximate probability that both harry and jay will be assigned aisle seats on the same plane? a. 11.48% b. 3.3% c. 2.08% d. 26.26%