For the graphing if for example it says (3,-9) then you start at the very middle called the origin. Then go to the right 3.(this is called the x-axis) then go down 9 (this is the y axis) stop there and put you point. I hope this kinda helps explain this to you better :/
Answer:
DC = DA Given
DB = BD Reflexive property
ΔDCB ≅ ΔDAB LH
∠DBC = ∠ABD = 20°
Hope this helps!
The answer is above is just the prior knowledge to understand this and to know this is understand X is a metal volume
78+78=156(80%) 78/2=39(20%) 156+39= 195 cookie boxes in total
Profit = revenue (income) - expenses
profit = 189 - 27
profit = 162 <==
