Add 3/7 + 1/7. you answer should be reduced to its simplest form ,should not be an improper fraction

Agraph of a trapezoid can have diagonals with slopes that are negative reciprocals and two pairs of adjacent sides that are congruent, true or false, and why

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

Jermaine has t subway tokens. karen has 4 more subway tokens than jermaine. raul has 5 fewer subway tokens than jermaine. which expression represents the ratio of karen's tokens to raul's tokens