Set up a system of equations:
sum of 3 #s is 125:
x + y + z = 125
first # is 5 more than third:
x = z + 5
second # is 3 times the third:
y = 3z
then use that info to solve for the numbers
Answer:
pretty sure D
Step-by-step explanation:
Answer:
False
Step-by-step explanation:
The definition described is Perimeter
Area is found by multiplying the base by the height or the length by the width
Answer:
= 225
Step-by-step explanation:
3 × 3 × 5 × 5
= 3² x 5²
= 9 x 25
<em><u>= 225</u></em>
Answer:
C
Step-by-step explanation:
The volume of the regular pyramid is 
The base of given pyramid is regular hexagon with side 12 cm. The are of this hexagon consistsof area of 6 equilateral triangles and is equal to

Hence, the volume of the pyramid is
