The cost of installing an electric heating system for a 3- bedroom home is $5000 and the operating cost is $1,100 per year. A solar heating system costs $29,700 to install but only $150 per year to operate. After how many years will total costs for the two systems be the same? What will the cost be?

Np4=12np2 with clear explanation.

The frequency table shows the results of a survey comparing the number of beach towels sold for full price and at a discount during each of the three summer months. the store owner converts the frequency table to a conditional relative frequency table by row. which value should he use for x? round to the nearest hundredth. 0.89 0.90 0.92 0.96

Val and tony get paid per project. val is paid a project fee of $44 plus $12 per hour. tony is paid a project fee of $35 plus $15 per hour. write an expression to represent how much a company will pay to hire both to work the same number of hours on a project.