The formula for the area of a circle is A=pir^2. Find the area of a circle with a diameter of 6.4 centimeters. Use a calculator and round your answer to the nearest square centimeter.

Another home business has an average income of $1.200.00 per month with a standard deviation of $100.00. If the income in a given month is $1,030.00, what z-score corresponds to this value?

That-was not what the question was asking.

What is the mean of this data set? 69, 59, 70, 74, 68, 71, 58

What percentage is 0.6 of 2.3?

A teacher has 27 students in her class she asks the students to form as many groups of 4 as possible how many students will not be in a group?

Asher's sister is eight years older than asher. Their combined ages add up to 20. How old is asher?

Using properties to find the sum or product

I need to show work on elapsed time from 12:40 to 2:09

Round $6.4442 to the nearest cent.

Dave has $15 to spend on an $8 book and two birthday cards (c) for his friends. how much can he spend on each card if he buys the same card for each friend?