Answer:
let me just say this
Step-by-step explanation:
you're luck not mine so sorry if this didnt help
(r-s)+14
Hope this helps:)))
The average rate of change of the population from 2007 to 2012 is

which is to say that every five years you can expect 29 more visitors.
So if there were 607 visitors in 2010, then you could expect around 607+2*29=665 visitors in the year 2020.
Answer:
Step-by-step explanation:
7⁴/ 7⁶ = 1/ 7⁶⁻⁴ = 1/7² = 1 /49 = 0.02
Answer:
60⁰
Step-by-step explanation:
A triangle has three angles.
The sum of its angles = 180⁰
[ By angle sum property ]
Let the unknown angle be 'x'
Then,
30⁰ + 90⁰ + x = 180⁰
120⁰ + x = 180⁰
x = 180⁰ - 120⁰
x = 60⁰
Therefore, the unknown angle will be equal to 60⁰