9,000. It decreased by 50% (25%+25%) over three years, which in this case won't matter, because of the question. If 4,500 is 50% of <em /><em>x</em> then just multiply 4,500 by two.
Answer:
8,000
Step-by-step explanation:
First there's 2,000 and if they double every 8 years. That means in the first 8 years it will double into 4,000. Lastly, the next 8 years it would double into the population being 8,000.
1 and 73.
73 is a prime number
Answer:

Step-by-step explanation:
A proportional relationship has equation:

where k is the constant of proportionality.
Since we are looking for a proportional relationship that has a constant of proportionality equal to -10, we have k=-10.
We substitute k=-10 into the equation to get:

Therefore the correct choice is

There are 3 different possibilities for cones and 5 flavors of yoghurt.
You would do 3*5 to calculate the sample space, which is 15.