8x__=2 10x__= 5 — 2 6x__= 3 — 2 ? ? can you fill in the blanks?

Asap! i'm not good math and i'm lost.

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?

Angle that produces maximum distance