Answer:y=5x+30
Step-by-step explanation:
The y-intercept is 30 so it is y=?+30
Then the x changes value at a constant rate of 5
So... it is y=5x+30
Answer: 1140
Step-by-step explanation: Sorry if its wrong
If your round it to the nearest whole number it will be 3
Pi=3.14. X=(3.14+3)/2. X=6.14/2. X=3.07 :)