Is 4.11 >,<, or = 4.101?

Which values for a and b will create infinitely many solutions for this system of equations? ax-y=8 2x+y=b

Eden has a part time job. she is paid ? 7.20 an hour the week she worked 18 and a half hours how much is she paid

The water company charges a residential customer $41 for the first 3,000 gallons of water used and $1 for every 200 gallons used over 3000 gallons. if the water bill was $58 how many gallons of water were usedanswersa 3400 gallonsb 6000 gallonsc 6400 gallons d 7000 gallons