The daily cost of hiring an electrician, yy, to work xx hours on a repair project can be modeled using a linear function. The electrician charge a fixed cost of $70 plus an additional cost of $55 per hour. The electrician works a maximum of 7 hours per day. For one day of work, what is the domain and range of this function?

/is used for a fraction 1) if x = 2/3 and y = 3/4, what is the value of (x + y) (x/y) expressed as a common fraction? 2) what is the least positive integer greater than 1 that leaves a remainder of 1 when divided by each of 2, 3, 4, 5, 6, 7, 8, and 9? 3) the ponde family's powerjet pumps 420 gallons of water per hour. at this rate, how many gallons of water will it pump in 45 minutes? 4) kim's insurance company pays 80% of the cost of all prescription medication she purchases in a year beyond the first $250 worth of prescriptions. her prescriptions for this year cost a total of $570. how many dollars of this amounts will kim's insurance company pay?

What is the square root of 45? (step by step working plz)

Divide. reduce the answer to lowest terms.5 2/3 ÷ 3 1/9