Is 3x greater than 0

The diameter of a circle is 8 centimeters. What is the length of a 72° arc?

On the first day of vacation, you read one-quarter of a novel. On the second day, you read half of the remaining pages. On the third day, you read the last 108 pages of the novel.

How many ways are there to adjust two quantities so that they are in a given proportional relationship? Explain your reasoning.

A rocket has 360 gallons of fuel left after 2 hours of flight, and only 100 gallons after 6 hours of flight. It burns n gallons of fuel for every hour of flight, where n is a constant. What is the value of n?

Suppose the scientist performs an experiment in which she cools the three gases. Will the changes in temperature be positive or negative for this experiment.

What is the 10% cost of 15

4. Six times the sum of a number and 3 is 12 less than 12 times the number. Write and solve an equation to find the number.

Estimate, then record the product 78*7

Which of these groups is in descending order? A) - 21, - 19, - 17, - 15, - 13 B) - 13, - 15, - 17, - 19, - 21 C) - 13, - 17, - 15, - 21, - 19 D) 13, 15, 17, 19, 21

the variable z is inversely proportional to x. When x is 16, z has the value 1.125. What is the value of z when x = 24