Answer:
(-4,4)
Step-by-step explanation:
-5x-10y=-20
10x+10y=0
divide both sides by 2
-5x-10y=-20
5x+5y=0
that makes
-5y=-20
divide both sides by -5
y=4
now substitute 4 for y
10x+10 x 4=0
multiply
10x+40=0
subtract
10x=-40
divide
x=-4
The range of the data is 6-13
55/20 = 2.75
It costs $2.75 per person
The correct answer is B -8 just do the work :)
Answer:
25 degrees
Step-by-step explanation:
