on Saturday afternoon, six friends agreed to call each other. each friend talked to every other friend once. how many phone calls were made?

What is (3 2/11) as a decimal?

2,412 feet is how many miles rounded to the nearest hundredth

The table shows the number of grapes eaten over several minutes. X I Y 1 15 2 30 3 45 4 60 What is the rate of change for the function on the table?

Which explanation can be used to informally derive the formula for the volume of a cylinder? A cylinder consists of 2 circles on the top and the bottom. Determine the circumference of each circle and add the circumferences together.

Three numbers have a sum of 68. The second number is 1 less than twice the first. The third number is three times the second. What are the three numbers?

Logan ate 1.438 pounds of grapes. His brother Ralph ate 1.44 pounds of grapes. Wich brother ate more grapes?

If x=11 units and h=7 units, then what is the area of the triangle shown above

What is when 12+21 to the 8th power

Eight times the sum of a number and six

What is the period of y=sin (3x)