Simplify the expression.
8.9 +3.5y - 0.5(10y - 3)
HELP ASAP

The table shows a pattern of exponents. what is the pattern as the exponents decrease?

Determine if the outside temperature is a function of the time of day or if the time of day is a function of temperature and explain why or why not.

The table below shows the angle measurements for triangle abc and triangle xyz. if triangle abc is similar to triangle xyz, what does angle z equal, in degrees?