Y=7x
2x+y=63
Solve this equation

In the rectangle below ac=30 units what is de

What is the average rate of change for this function for the interval from x=2 to x=4 ?

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.