Answer:
18
Step-by-step explanation:
24/36 = 8/12 = 2/3
2/3 * 9/9 = 18/27
The figure is a Rhombus.
Cause well it looks like a Diamond pretty much. Hope this helps.
N'(x)=90 In(43)*43^x-90 In(50)*43^x /50^x