Answer:


Step-by-step explanation:
Solving (47):
To solve for B, we have:
--- sum of angles in a triangle
This gives

Collect like terms


Solving (48):
To solve for Y, we have:
--- sum of angles in a triangle
This gives

Where
-- angle on a straight line
Solve for X


So, we have:



Answer:
Step-by-step explanation:
y+2 = 3 * (x+2)
Answer:
then 7,10,13 and so one so forth
Step-by-step explanation:
you are subtracting three as you go on.
45 plus 15 is 60 so he ran 12 yards so subtract 12 from 60 and your answer is 48