Margie says the set of numbers, 0.1, -1, -21
4, 3, are in order from least to greatest. what is her error?

a. she did not use the correct common denominator.
b. the 3 is in the wrong place.
c. she treated all the numbers as positive.
d. the –1 should be the first number on the list.

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

Acylinder and its dimensions are shown. which equation can be used to find v, the volume of the cylinder in cubic centimeters?

The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old