Which statement must be true to prove that a quadrilateral is a parallelogram? a) consecutive angles are acute. b) opposite angles are complementary. c) consecutive angles are complementary. d) opposite angles are congruent.

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.

The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers

Find the equation of a line whose slope is 2/5 and y- intercept is 2.write your answer in the form 1) ax+by+c=02) x/a+y/b=1