The weather forecast in Boston last night was for the temperature to drop 3•F each hour. If the temperature was 7•F at 8:00pm, what was the temperature at midnight? A. + 21•F B. - 21•F C. - 5•F D. - 12•F

a block of wood is a cube and has the dimensions 5cm by 5cm by 5 cm what is the volume of the block of wood

Art wants to know how much he'll have to invest today to receive an annuity of $8,000 for three years if interest is earned at 10% annually. He'll make all of his withdrawals at the end of each year. How much should Art invest?

what is the least amount of cardboard needed to make a box that measures 7 inches by 12 inches by 5 inches

The area of a rectangle court is 433.37 Square meters and the length of the court is 28.7 meters. What is width of the court?

Mr. black class has a female student to male student ratio of 3:2. If Mr. Black's class has 18 girls, how many boys does he have? explain in writing how you determined your answer.

An expression is written as m-5 (m+3) + 7m. What is the value of the expression when m=x+1?

Cormac is making 29 phone calls each week as part of a fundraiser. Last week, he made 10 phone calls on weekdays. Which equation could be used to find x, the number of phone calls he made last week on weekend days?

Jasmin's dog weighs 58 pounds. Her vet told her that a healthy weight for her dog would be less than or equal to 40 pounds. Jasmin's dog can lose an average of 1.5 pounds every week.

A town with an initial population of 2,000 doubling in size every 10 years. Exponential function or no?

20% of the past 60% days how many days did it rain