Answer:
the answer iskskdmokke
167.64 cm
Step-by-step explanation:
I dont kno how to work it out
A= −3x+30
A=30 when x=0 which is the y−intercept.
(0,30) is a point on the graph
A=12 when x=6.
Find the slope using the two points
12-30/6-0= -18/6=-3