Answer:
It grows 0.3 cm per day.
Step-by-step explanation:
Divide 3cm by the 10 days. [ 3 / 10 = 0.3 ]
The area of a triangle is:
A=05*b*h
b= base = x
h = height = x-12
A = (1/2)(x)(x-12)
C
The same x value cannot be used more than once or it isn't a function.
