28.23 is the volume of something if the diameter is 2 cm and the height is 9 cm.
Answer: 40
Step-by-step explanation:
so you multiply 6 and 3 and it is 18
13. 9x^2-36x+36
14. 4x^2+14x+20
Remember area formula for a square is Length times Width.
The area formula for a triangle is 1/2base times height.
The correct answer is c. There is no possible way to know how much the mean age decreases, but we know it definitely will (averages decrease as values less than the average are added to the data.) <span />
