Find r for the geometric series with s5 = 484, a1 = 4, a5 = 324

Students investigating the packaging of Rues Potato Chips, labeled 28.3 grams, randomly selected 50 bags and found a mean weight of 28.1 grams with a standard deviation of 1.4 grams.

25% and 16% as a single digit rate

Five 6-sided dice are rolled. What is the probability that exactly two of the dice show a 1 or a 2?

5x1 is what kind of number

If a (-1-3) and b (11-8) what is the length of an?

Mike has 4 soccer balls and 2 footballs what fraction if the balls are footballs

Is the mean height for all adult American males between the ages of 18 and 21 now over 6 feet? Let μ represent the population mean height of all adult American males between the ages of 18 and 21.

63 as a fraction in simplest form.

The sum of four times a number and eight is 24 find the number

A builder buys 16.1 acres of land to develop a new set of walking trails and baseball fields. The builder plans to use 0.25 of the land for baseball fields. How many acres will the builder use for the baseball fields?