Answer:

Step-by-step explanation:
Simplify each term
24 1/2 or 24.5 is the answer
Answer:
Step-by-step explanation:
Huilan = H
Thomas = T
H = 3T
T+3T = 40(This is the sum)
4T = 40
4T/4=T
40/4=10
T=10
Answer:
A =12.56 units^2
Step-by-step explanation:
The area of a circle is found by
A = pi r^2
We know the radius is 2
A = pi (2)^2
A = 4pi
Using 3.14 as pi
A = 4(3.14)
A =12.56 units^2