Answer:
The solution is given below:
Step-by-step explanation:

As we know the value of k and r so the equation will be





The last expression: (16-8)x2+4=8x6=48
<h3>Solution:</h3>

<h3>Answer:</h3>

Hope it helps.
Do comment if you have any query.
Answer:
2.5
Step-by-step explanation:
Answer:
272.5 m²
Step-by-step explanation:
1/2x4x9=18
(9+18)/2=13.5. 13.5x11=148.5
(18+14)/2=16. 16x7=112
12+148.5+112= 272.5