Use the distributive property on the parentheses, then solve accordingly.
-3(2r+7)=3
-6r-21=3
-6r=24
r=-4
Answer:
82 websites per year.
Step-by-step explanation:
take the difference in the number of websites from both years, divide it by the year difference (9) to find how many per year were created
Answer:
y=x+15
Step-by-step explanation:
1. find the slope
m=(24-19)/(9-4)
m=5/5
m=1
2. plug slope into slope intercept formula
y=1x+b
y=x+b
3. plug in for x and y from either coordinate point (just make sure they are from the same point!!)
24=9+b
15=b
4. plug m and b into formula
y=x+15
Answer: 7
Step-by-step explanation: