we said that the ratio of girls to boys in the class was 2:9. if there were 90 boys in the 9th grade, how many girls are there

What is this inequality notation? t is less then or equal to 2

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

Find the value of x. give reasons to justify your solutions! c ∈ ae