Pi aka 3.14 is a very commonly know irrational number
Answer:
I think it's still 2.8 because it's a rotation and it's the same shape.
Correct me if I'm wrong
Answer: y = 2x + 12
Explanation: The slope-intercept form is y = mx + b, where m is slope and b is the y-intercept. Substituting 2 for m, 6 for x, and 24 for y, we have 24 = 2(6) + b. Simplifying, we get that b = 12, so the equation is y = 2x + 12.

Explanation
Step 1
find the coordinate of every point of the quadrilateral
C(-3,1)
J(0,1)
K(1,4)
M(4,-2)
Step 2
When you reflect a point across the y-axis, the y-coordinate remains the same, but the x-coordinate is transformed into its opposite (its sign is changed).
so

therefore

so, the answer is

i hope this helps you