Find the variable expression that interprets the math sentence for:
eighty-two plus a number, subtracted from onehundred minus two.

let x represent the unknown number.
a: (82 + x) - (100 - 2)
b: (100 - 2) - (82 + x)
c: (100 - 2) + (82 + x)
d: (82 + x) - (2 - 100)

Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.

Determine the area of a triangle with (see picture below)

Arectangular courtyard is 12 feet long and 8 feet wide. a tile is 2 feet long and 2 feet wide. how many tiles are needed to cover the courtyard?