Why is it that mirrors reverse the objects they reflect from left to right, but not top to bottom? Are there any mirrors that do reflect top to bottom?

Which expressions are equivalent to k/2 choose 2 answers: a k-2 b 2/k c 1/2k d k/2 e k+k

Afarmer sells 9.5 kilograms of apples and pears at the farmer's market. 4/5 of the weight is the apples and the rest is the pears. how many kilograms of pears did she sell at the farmers market

What is the missing reason in the proof? segment addition congruent segments theorem transitive property of equality subtraction property of equality?