Answer:
Step-by-step explanation:
we have the mean=13
(x+y+z)/3=13
x+y+z=39
range=highest value-lowest value=10
lets say x= highest value
y=lowest value
x-y=10
x=10+y
the numbers are 9,11,19
19-9=10 range
sum is 39
Answer:
1 = 120
2 = 120
Step-by-step explanation:
Area=width*height
area=(11.7)*(15.4)
area=180.18cm^2
Answer:
Option 4 ) Area = 24 cm²
Step-by-step explanation:
Area of Triangle = 
<u><em>Where Base = 8 cm, Height = 6 cm</em></u>
Area = 
Area = 48 / 2
Area = 24 cm²
Arrange from smallest to largest
-25, -12/4, 1/5, 18/5, 10
chose the middle number
1/5