In a positive correlation, a. the independent variable is always negative b. an increase in the independent variable has a corresponding increase in the dependent variable c. the dependent variable is always positive d. a decrease in the independent variable has a corresponding increase in the dependent variable select the best answer from the choices provided a b c d

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.

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?

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36