Answer:
Step-by-step explanation:
looking at the graph,
when x = 3, y = -10
-10 = 2(3)^2 + 3b + 8
-10 = 18 + 3b + 8
-10 = 26 + 3b
3b = -36
b = -36/3
b = -12
Answer:
Heidi, Lisa, Jaydie, and Martina
Step-by-step explanation:
16%, 16%, 18%, 20%
Answer: 918km^2
Step-by-step explanation:

Let x be the new dimension of the area;


It means that it is greater than
= 1/2 ( x + 5 ) ( x + 4 )