Digits on the right are like units and digits on the left are like tenths
down 3 unit mean -3 outside root
right 2 unit mean -2 inside root,
so the answer is

Answer:
given a quadratic function, y = ax2 + bx + c, when "a" is positive, the parabola opens upward and the vertex is the minimum value. On the other hand, if "a" is negative, the graph opens downward and the vertex is the maximum value
Step-by-step explanation:
150% of 18 is 27
Divide 27 by 18:

Multiply 1.5 by 100, this will convert the decimal to a percentage: