Which expression is equivalent to 1/5(150-80y+50-50x-25y) 20x-21y+14
20x+11y+14
20x-11y+6
20x+21y+6

Heather is a cashier. she can ring up 1212 customers in 99 minutes. at this rate, how many minutes does it take her to ring up 44 customers?

Problem 3 a bank charges a service fee of $7.50 per month for a checking account. a bank account has $85.00. if no money is deposited or withdrawn except the service charge, how many months until the account balance is negative

Middle schoolmathematics 5 points addison painted her room. she had 50 square meters to paint, and she painted at a constant rate. after 2 hours of painting, she had 35 square meters left. let a(t), denote the area to paint a (measured in square meters) as a function of time t (measured in hours)