Liam descended from the summit of k2 (elevation= 28,251.31 feet) to an elevation of 23,201.06 feet. how many feet did liam descend? what was his change in elevation?

Which equation and solution can be used to solve this problem? thirteen less than a number is sixteen. 13-n=16: add 13 to both sides. the answer is 29. n+13=16: subtract 13 from both sides. the answer is 3. n+16=13 subtract 13 from both sides. the answer is 3. n-13=16: add 13 to both sides. the answer is 29.

Multiplying an even number of negative numbers gives an answer that is choose from:

Agreeting card company can produce a box of cards for $7.50. if the initial investment by the company was $50,000, how many boxes of cards must be produced before the average cost per box falls to $10.50?