Answer:
36
Step-by-step explanation:
1. Cross Multiply. 
2. Solve. 
3. Your answer is 36
A= 3
b= 4
=3.14(a^2 + ab)
substitute the given a & b values in expression
=3.14((3)^2 + (3*4))
multiply inside parentheses
=3.14(9 + 12)
add inside parentheses
=3.14(21)
multiply
=65.94
ANSWER: 65.94
Hope this helps! :)
<span>6616.19 ft^3 is the answer
</span>
Answer:
The solution is t = 1
Step-by-step explanation:
we have:
16 - 2t= t + 9 + 4t
or 16 - 2t = 5t + 9
-2t - 5t = 9 - 16
and
- 7t = -7
or t = -7/-7
t = 1
The solution is t = 1