100: 48400
1000:4800
10000:50000

I only know this because I remember the common fractions, and 1/3 is .3333 repeating.
Answer: B
Step-by-step explanation:
Add the two bases together, divide by 2 then multiply by the height.
8+6 = 14
14/2 = 7
7x5 = 35
The area is 35 square Feet
Answer:
so, lauren isn't correct
Step-by-step explanation:
3x + 4 (2x + 5) = 6x + 5x + 5
3x + 8x + 20 = 11x + 5
11x + 20 ≠ 11x + 5