You just add all of the weight of the contents together. 12 3/4+ 8 1/4 +7, which equals 28 pounds.
Answer:
i tried on a calculator and it gave me 211.125
(3x² -7x⁴) from (5x² - 3x⁸)
= 5x² - 3x⁸ - (3x² -7x<span>⁴ )
= </span> 5x² - 3x⁸ - 3x² + 7x<span>⁴
= </span>- 3x⁸ + 7x⁴ + 5x² <span>- </span><span>3x²
</span>
= - 3x<span>⁸ </span>+ 7x⁴ + 2x<span>²</span>
Answer:
5,868,000
Step-by-step explanation:
2,934,000 x 2 = 5,868,000
