What measures of variation indicate spread about the mean?

Given a circle with a radius of 0.85 meters, find the area of 1/3 of the circle. Use 3.14 for pi and round to the nearest hundredth.

What is the perimeter of the triangle if s=3 feet? Round your answer to the nearest hundredth

How do you work out? 12 : 12 : 4 * 3^2

Which expression is equivalent to 5x - 30

The sundae bar at Sarah's favorite restaurant has 5 toppings. In how many ways can Sarah top her sundae if she is restricted to at most 2 toppings?

A bottle of soda contains 390 mL. a) How many milliliters are contained in a four-bottle carton? b) How many liters does the amount in part (a) equal? c) At $2.25 for the carton of soda, what is its cost per liter?

Why does an even number plus an odd number always equals an odd number?

Alex collects stamps. He wants to buy a superhero set for $3.88, a president set for $5.88, and a dinosaur set for $3.88. He has $15 to spend on stamps.

When changing a percent to the equivalent decimal you drop the percent sign and then

Finish solving the system of equations - 9.5x - 2.5y = - 4.3 and 7x + 2.5y = 0.8 using the linear combination method. 1. Determine which variable will be eliminated: y will be eliminated because - 2.5y and 2.5y are opposite terms. 2.