Answer:
12 feet of flooring cost $51
Step-by-step explanation:
68/16 = 4.25
4.25 x 12 = 51
U+xy
On replacing for u, x and y.
=9+9*7
=9+63
=72
Answer:
1.88
Step-by-step explanation:
Using the exponential function, it is found that the oxygen level at 10 miles is of 59.87 ppm.
<h3>What is the exponential function for the oxygen levels?</h3>
The oxygen levels in ppm for an altitude of x miles at the Mount Everest is given by the following exponential function:

In this problem, the altitude is of x = 10 miles, hence the oxygen level in ppm is of:

More can be learned about exponential functions at brainly.com/question/25537936
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