Find the third angle of a triangle if two of its angles are equal to: 25 degrees and 80 degrees

and

25 degrees and 120 degrees

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.

Ellie spent $88.79 at the computer stote. she had $44.50 left to buy a cool hat. how much money did she originally have? write and solve an equation to answer the question.