The central number in a geometric progression which indicates the central tendency or typical value of a set of numbers by using the product of their values as opposed to the arithmetic mean which uses their sum.
<h3>Answer:</h3>
B. 
<h3>Step-by-step explanation:</h3>




Answer:
the answer is Any Real Number
because 4(x + 1) = 4x + 4 for all value of x
Step-by-step explanation:
Answer:
t = 1.143 s
Step-by-step explanation:
The equation he uses to model the height of the rocket in cm, as function of time is
h(t) = -490 t^2 + 1120t
We can plot this equation using a graphing tool
Please, see attached picture
The rocket reaches his maximum height (640 cm) at
t = 1.143 s