Answer:
You would need about 290 blocks, and the scale factor would be 1450:290.
Step-by-step explanation:
5ft: 1 block
1450ft: x blocks
So,
1450 x 1 = 1450 ÷ 5 = 290
And now we have,
5ft: 1 block
1450ft: 290 blocks
Hope this helps. Have an amazing day!
Answer: 
Step-by-step explanation:
Step 1: Subtract 8 from both sides: 

Step 2: Divide both sides by 7: 
Get your answer: 
The answer should be b according to me
Answer:
178.3 mm²
Explanation:
The surface area of the regular pyramid is equal to the sum of the base and lateral areas:()