Which of these triangels apears not to be congruent to any others shown here check all that apply

Which is the completely factored from of xy^3-x^3y

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.