Which part of a pictograph provides an overview of the information in the chart?

title

symbol

source

key

Is the power produced directly proportional to the wind speed, give reasons for your answer?

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?