A regular pentagon is shown. If the pentagon is rotated clockwise around it's center, the minimum number of degrees it must be rotated to carry the pentagon onto it self is

1) 54°

2) 72°

3) 108°

4) 360°

Explain your answer

A bag of sugar has a mass of 2kg. Write down an expression in terms of "n" for the total mass in kilograms of "n" bags of sugar Write down an expression in terms of "n" for the total mass in grams of "n" bags of sugar

Solve for x: [x - 2 + 10 = 12

The central limit theorem states that sampling distributions are always the same shape as the population distribution from whence the data came. True or False

A survey of adults found that 45% have used a multivitamin in the past 12 months. you randomly select 60 adults and ask them if they have used a multivitamin in the past 12 months.

Walker is reading a book that is 792 pages. He reads 15 pages a day during the week, and 25 pages a day during the weekend. After 5 weeks of reading, how many pages does Walker still have left to read before he finishes the book?

A spherical water tank holds 7500 feet^3 of water. what is the diameter?

In ΔQRS, the measure of ∠S=90°, the measure of ∠Q=29°, and RS = 83 feet. Find the length of SQ to the nearest tenth of a foot.

2. A manufacturing company uses cylindrical storage tanks with a diameter of 40 ft and a height of 80 ft, as shown below. a. What is the volume of the storage tanks? Round your answer to the nearest cubic foot. Show your work. b.

Consider the conditional statement. What is the inverse of the contrapositive of this statement?

Serena changes the number 3 to a 6 on the spinner. What are the changes of landing on an odd number?