An elevator is on the 20 floor it goes down 11 floor and then up 5 floor what floor is the elevator on now

A bag of marbles has 6 blue marbles, 5 red marbles and 4 green marbles. What is the ratio probability of pulling a red or green marble from the bag? What is the percent proportion of pulling a red or green marble from the bag?

In 2000, the population of Israel was approximately 6.27 million and by 2040 it is projected to grow to 9 million. Use the exponential growth model:A=A_o.

What number is 88% of 175?

How many solutions can a nonhomogeneous system of linear (algebraic) equations have? What if the system is homogeneous?

The volume of gas in a container at a constant temperature varies inversely as the pressure. If the volume is 32 cubic centimeters at a pressure of 8 pounds, find the pressure when the volume is 60 cubic centimeters.

3. Square the following numbers. a. 4 b. 6 C. 13 d. 10

Is 25 a perfect cube

Is 3 to the negative 1 power times 3 to the negative 1 power equal to 3 to the 1 power?

Claire's mother is 4 years more than twice Claire's age. The sum of their ages is 58 years. Claire's age is years, and her mother's age is years

How is a thermometer like a number line?