What is the value of x in the triangle?

Is this a polynomial function? i need to know asap

Use a transformation to solve the equation. w/4 = 8 can you also leave a detailed explanation on how this equation = 32

Identify the percent of change as an increase or a decrease. 75 people to 25 people response - correct increase decrease question 2 find the percent of change. round to the nearest tenth of a percent.