Simplify: (a4 - 6a + 5) - (a4 - 3a + 2a2 - 6)

A saleswomen packed 3 jackets and 5 skirts which one jacket she could wear all 5 Skirts with another jacket she could wear 4 skirts and with the Third jacket she could wear 3 skirts how many different combanitions she have?

Find the surface area of a sphere with radius 4 feet. 64.00 ft^2 201.06 ft^2 50.27 ft^2 804.25 ft^2

16. A chef prepared five chocolate tortes for a dinner party. The guests consumed 2 5/16 tortes. How many tortes are left? A. 2 9/16B. 3 9/16C. 2 11/16D. 3 11/16

The initial number of views for a reader board was 25. The number of views is growin exponentially at a rate of 18% per week.

Find x and y intercept of y=-2x+9

The manager of a sawmill wants to find out what percentage of the boards that the mill produced are defective. Which sampling methods are likely to be biased? Choose all answers that are correct. A.

A nickel pyramidal paper weight has a square base of sides 5 cm and a height of 3 cm. What is the mass of a dozen such paper if the mass of 1 cm3 of nickel is 8.9 g?'

a sample of 49 observations is taken from a normal population with a standard deviation of 10. the sample mean is 55. Determine the 99% confidence interval for the population mean.

Which of the following are properties of right triangles? 1. The square of the hypotenuse is equal to the sum of the squares of the other two sides 2.

21717 in expanded form