A design for a traffic cone is shown below. In order for it to have a solid foundation the designers want to make the base and cone out of solid plastic. If the plastic is $0.75 per cubic cm, how much will it cost them to make 5 cones? Show all of your work, and approximate pi using 3.14.

What is the area of the triangle 10 13 12

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

Find the value of x to the nearest tenth. a. 4.5 b. 5.4 c. 6.3 d. 7.2