Which of the following inequalities represents a solution set that has the variable x being less than or equal to some number?
1. 8x +1 s 53
2. 4x + 7 > -5
3. 5x - 16 2 39
4. 4x + 34 s 8

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Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label

Aquadratic equation in standard from is written ax^2= bx+c, where a,b and c are real numbers and a is not zero?