Need help FAST Three stars A, B, and C are 4.3 light-years away from Earth. Which of the stars A, B, or C has the greatest brightness? Why?

Amplitude is a measure of a waves a; speed b; distance c; energy d; frequency

Athermometer is removed from a room where the temperature is 70° f and is taken outside, where the air temperature is 10° f. after one-half minute the thermometer reads 60° f. what is the reading of the thermometer at t = 1 min? (round your answer to two decimal places.) ° f how long will it take for the thermometer to reach 30° f? (round your answer to two decimal places.)

Why are graphs useful when interpreting data