Aday-care center's thermostat used to be set at 70 degrees for 24 hours a day. to save money, the owner decides to turn down the furnace for 9 hours during the night between the hours 8 p. m. and 5 a. m. if she saves $2.70 per day on her heating bill, how much will she save during a 30-day month?

Explain step-by-step how to simplify -5(2x – 3y + 6z – 10).

Cameron indoor stadium at duke university is one of the most revered sites in all of college basketball, as well as in all of sports period. duke’s men’s and women’s basketball programs have attained quite a few wins in the building over the last seventy years. cameron indoor stadium is capable of seating 9,460 people. for each game, the amount of money that the duke blue devils’ athletic program brings in as revenue is a function of the number of people in attendance. if each ticket costs $45.50, find the domain and range of this function.

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?