What is the greatest common factor of 42a^5b^3, and 42ab^4

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

Adam plans to choose a video game from the section of the store where everything is 75% off. he writes the expression d-0.75d to find the sale price of the game if the original price is d dollars. gena correctly writes another expression, 0.25d, that will also find the sale price of the game if the original price is d dollars. use the drop down menus to explain each part of adams and rena's expression

Find the distance between (0,5) & (-4,2)