Answer:
The area of the section for the picnic tables is 
Step-by-step explanation:
we know that
The area of the schoolyard is equal to the area of a rectangle plus the area of a triangle
so

The area of the triangle is equal to

Answer:
7-(a-2)
Step-by-step explanation:
Answer:
B: 1 × 10^5
Step-by-step explanation:
B is correct and C is not becasue you have to have the number multiplied by 10 to a power because then you wouldn't know what number to use as the base. I hope this helps. :)
Answer:
6c-5d-3
Step-by-step explanation:
6c-7+d+4-6d=6c-5d-3