Please help I only have 15 minutes to complete this last one

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse

Find the missing dimension! need asap! tiny square is a =3025 in 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?