Answer:

Step-by-step explanation:

Subtract
from both sides:



Subtract
from both sides:



Multiply both sides by 15:



To find the diameter of the radius you need to multiply 3.5 x 2 = 7
Answer:
Equation B
Step-by-step explanation:
Equation B because:
it is 7x + 3
so for the first one, it's 7 + 3
the second one is 14 + 3
the third one is 21 + 3
the fourth one is 28 + 3
Please Mark Brainliest
Part A: To solve graphically we have to graph first by plotting the y-int which is -9 & -1. Than use the slops 7/1 & 3/1
part B: (2,5)
The y intercept is where the line hits the verticals line of the graph. Hope this helps!