My teacher gave me a sheet of this and no instructions:
1. 5x+2y=10
-5x+7y=8
i don't know what i am suppose to do.

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.

Which of these triangle pairs can be mapped to each other using two reflections?

Determine if the function below is continuous. a. continuous b. not continuous, 1 hole c. not continuous, > 2 holes d. not continuous, 2 holes