What is the least common denominator of 13/35

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

Awasher and a dryer cost $701 combined. the washer costs $51 more than the dryer. what is the cost of the dryer?