Four interior angles of a 7 sided polygon are equal, and the others add up to 120 find the size of the equal angle?

Explain step-by-step how to simplify -5(2x – 3y + 6z – 10).

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

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?