Arestaurant chef ordered product to make a stew. he ordered 4 pounds of beef at 9.25 per pound, 6 pounds of potatoes at $6.75 a pound, and 5 pounds of carrots at $9.80 per pound. if the stew serves 30 people and he charges $12.50 per serving, how much profit will he make?

Really need on these. i have no idea what 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.

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?