What statement best describes an independent variable?
a. the factor that's changed by the experimenter and impacts the constant in an experiment
b. the factor that does not change, but impacts the constant in an experiment
c. the factor that's changed by the experimenter and impacts the dependent variable
d. the factor that's not changed by the experimenter and is impacted by the dependent variable?

Ineeeeed this is due tomorrow and i dont know the answer can you find all the exponents

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?

Without multiplying, tell which product is larger and why. 5 × 1/3 or 5 × 2/3 a)5 × 1/3 because 1/3 is less than 2/3 b) 5 × 1/3 because 1/3 is greater than 2/3 c) 5 × 2/3 because 1/3 is less than 23 d) 5 × 23 because 1/3 is greater than 2/3