Use technology or a z-distribution table to find the indicated area. the scores on a standardized exam are normally distributed with a mean of 400 and a standard deviation of 50. approximately 40% of the scores are greater than which score? a) 370 b) 387 c) 413 d) 430

Trent wants to buy 2 packs of trading cards for 3 dollars each. the trading card packs that trent normally buys tend to come in packs of 6, 10, 12, or 15 cards. after selecting 2 packs, trent found that the first pack of cards cost 25 cents per card, and the second pack cost 30 cents per card. trent uses this information to write the equations below in order to compare c, the number of cards in each pack.

For problems 29 - 31 the graph of a quadratic function y=ax^2 + bx + c is shown. tell whether the discriminant of ax^2 + bx + c = 0 is positive, negative, or zero.

How do you write a paragraph proof to prove that the corresponding angles shown are congruent