Planes q and r are parallel lines a and b are shown on planes q and r respectively, which statement is true about lines a and b a. they are parallel lines b. they are perpendicular lines c. they are skew lines d. they will intersect

Timed*** there are 8 rows and 8 columns, or 64 squares on a chessboard. suppose you place 1 penny on row 1 column a, 2 pennies on row 1 column b, 4 pennies on row 1 column c, and so on … how many pennies are on each square? a =   b =   c = d =   e =   f = g =   h =

The water has been on the stove y=9.5x+62.1 after how many minutes will the tempature be 138.1 f

Agreeting card company can produce a box of cards for $7.50. if the initial investment by the company was $50,000, how many boxes of cards must be produced before the average cost per box falls to $10.50?