42 is 30% of what number

Can you draw an isosceles triangle with only one 80 degree angle?

Which expressions are equivalent to -6 + 3m

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