You can split this shape into two shapes; a rectangle on top and a horizontal rectangle underneath. The top rectangle would be 4 x 2 = 8 square units, and the bottom rectangle would be 7 x 1 (3 - 2) = 7 square units. Now you just add these to get 15 square units. I hope this helps!
1.4 decameter because a decameter equals to meter divided by 10
Answer:
The equation of the parabola is,
x²+4y-12=0
The answer is D, on a Graph, no two points can meet when drawn Vertically