Complete the recursive fórmula of the arithemetic Sequence -1,-13,-25,-36 a(1)= a(n)=a(n-1)+

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

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

Precalculus question, image attached.