A math class surveyed students about their musical preferences an recorded the results in the table. Use tha data wtite a ratio for each comparison in three differents ways. A) Students who preferer classical to students who prefer echno.
B) Students who prefer hip-hop to total number of students survyed

Table

Music Number Students
Rock 10
Classical 4
Techno 12
Hip-Hop 15
Contry 8
Alternative 4
Total Students53

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The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

Find the domain of the following expression: 1/(√x)-2