You have a stack of pennies without counting the pennies, how can you know if there is a odd or even number of them

The atmosphere provides us protection from the sun's rays. In addition, it also makes which of the following possible? The atmosphere gives us gravity. The atmosphere gives us air to breathe. The atmosphere makes the Earth rotate on its axis.

On average, Debbie can finish 4 algebra problem in 30 minutes. If Debbie works at this rate, how many problems will she solve in 2.5 hours? Justify your answer.

Sphere has a volume of 900 in.³ find its surface area to the nearest whole number

The mean shoe size of the students in a math class is 7.5. Most of the shoe sizes fall within 1 standard deviation, or between a size 6 and a size 9.

A manufacturer produces soda cans and a quality control worker randomly selects two cans from the assembly line for testing. Past statistics show that 15% of the cans are defective.

4x-3y=33 x=4y-25 How do you find the ordered pairs of these equations?

The length of the side of square A is 50% of the length of the square side expressing the area of the shaded area of square A as a percentage of the area of square B.

Elena says that 25 cm is equal to 250mm. Do you agree? Why or why not?

What is 88/25 simplified

Mr. Malone used 40 pounds of insecticide to cover 1760 ft.² of lawn and 60 pounds to cover an additional 2640 ft.² how many pounds of insecticide when Mr. Maloney to cover is a whole lawn of 4480 ft.²