1) 2 • 5 + 3 • 5 + 2 • 5 + 3 • 5 =
= 10 + 15 + 10 + 15 =
= 50
2) 5 • 10 =
= 50
Let x be the weeks worked on building the road
13=(1/2)x
13*2=x
26 days=x
In the duration of 26 weeks, the road should be built.
Hope I helped :)
I belive [c] is the answer 37/100 47/100
hope this help have a great day :D
ANSWER

EXPLANATION
The volume of the cone is

The height of the is 6 inches.
We put the values into the volume of cone to get.


Divide through by 2π.

The expression on the LHS is a perfect square trinomial.

