The equation of the line ef is y= 1/2x + 6. right in equation of a line parallel to the line ef in slope intersect form that contains point (0,-2)

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.

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?