What is an example of a pair of complementary angles? 1: 13° and 45°
2: 10° and 170°
3: 81° and 9°
4: 90° and 3°

Can someone answer it, and plot it, for 20 points and brainliest answer? p.s. they're the same ! : )

Evaluate the expression. (9 + 5)(3 + 2)0

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?