Acounterexample to show that the conjecture is false.
question: the quotient of two proper fractions is a proper fraction

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?