Choose the correct trigonometric ratios based on the image below. Select all that apply

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

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?

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.