The sum of two numbers is 76. their difference is 36. find the numbers

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 tables represents a non-linear function?

What is the distance from zero if a quadratic function has a line of symmetry at x=-3 and a zero at 4