Answer:
Ok, the solution to the first one. See below.
Step-by-step explanation:

See attachment below.
Best Regards!
Answer:
total area = 193.31 m²
Step-by-step explanation:
rectangle area = 7 x 15 = 105 m²
semi circle area = (3.14)(7.5²)/2 = 88.31 m²
total area = 105 m² + 88.31 m² = 193.31 m²
Answer:
440
Step-by-step explanation:
3 hundreds= 300
13 tens= 130
10 ones=10
300+130+10=440