Neela writes this problem: 211 divided by 1400 which expressions represent neela's problem? select each correct answer.
a.1400 ÷ 211
b.2111400
c.211/1400
d.1400211
e.1400/211
f.211 ÷ 1400

Refer to interactive solution 17.45 to review a method by which this problem can be solved. the fundamental frequencies of two air columns are the same. column a is open at both ends, while column b is open at only one end. the length of column a is 0.504 m. what is the length of column b?

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

Which of the following parabolas opens up?