Which statement is true? a. an isosceles trapezoid is a rectangle because its opposite sides are parallel. b. an isosceles trapezoid has perpendicular diagonals. c. an isosceles trapezoid has opposite angles that are congruent. d. an isosceles trapezoid has congruent base angles.

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

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.

Kayla and alberto are selling fruit for a school fundraiser. customers can buy small boxes of grapefruit and large boxes of grapefruit. kayla sold 3 small boxes of grapefruit and 1 large box of grapefruit for a total of $65. alberto sold 1 small box of grapefruit and 1 large box of grapefruit for a total of $55. what is the cost each of one small box of grapefruit and one large box of grapefruit?