Which statement is true?

a.
a kite is a rhombus because the diagonals are perpendicular.
b.
the opposite angles of a kite are congruent.
c.
an isosceles trapezoid has 2 pairs of congruent angles.
d.
an isosceles trapezoid has perpendicular diagonals.

Kevin has just finished paying off his loan. he was assessed a service charge of $422. he paid off the principal and the interest by making weekly payments of $36.13 for four years. if the principal was $7,150, how much did kevin pay in finance charges, to the nearest dollar? a. $498 b. $365 c. $422 d. $787

Ablock of wood is a cube whose side is x in. long. you cut off a 1-inch thick piece from the entire right side. then you cut off a 3-inch thick piece from the entire top of the remaining shape. the volume of the remaining block is 2,002 in3. what are the dimensions of the original block of wood?

Three coins are flipped. what is the probability that there will be at least two tails?