Answer: 4). A = (b1 + b2)h/2
5).
A = (b x h)/2
6). A = b x h
7). A = b x h = 65 x 50 = 3250 ft^2
8). A = (b x h)/2 = (12 x 18)/2 = 108 inches^2
9). A = (b1 + b2)h/2 = (15 + 7)4/2 = 44m^2
Answer:
Step-by-step explanation:
i dont know what is it bro, you tell me
By the fundamental theorem of calculus,

So we have



The right amount to test would be 30.
200 is to many kids and 12 is not enough.
Hope this Helps!!