A different jar has 100 black marbles. (The total number of marbles is unknown.) If you pull 4 marbles out and 1 is black, what is your guess for the total number of marbles?
Explain.

Data are collected to see how many ice-cream cones are sold at a ballpark in a week. day 1 is sunday and day 7 is the following saturday. use the data from the table to create a scatter plot.

For the inequality |c| < |d| to be true, which of the following must be true?

The area of a circle is equal to 1 dm². find the radius of the circle.