Answer:
12.5 leters
Step-by-step explanation:
If you take the 4 liters she used to cover 50 doors,
You add 2x and 7x to get 9x
so the answer is 9x+5y
Answer:
A
Step-by-step explanation:
Vertex appear to be at (5,115)
A) h = -b/2a
= -(20)/2(-2) = 5
k = -2(5²) + 20(5) + 60 = 110
It is B because an equilateral triangle has all 3 sides that are equal
Answer:
The area is 10cm2 and the perimeter is 16cm.