Which relation represents a function?

•{ (0,0). (2.3). (2,5) (6,6) }

{ (3,5). (8,4). (10,11). (10,6) }

• { (-2,2). (0,2). (7.2) (11,2)

•{ (13,2). (13,3). (13,4), (13,5) }

What is the slope of the line which passes through (4, 5) and (0, 1) ? a. Undefined b. 1 c. 0 d. 4

5. A farm has cows and ducks. Between them, these animals have 78 feet and 27 heads. How many of each animal are there? Show how you know.

What is the domain for the piece of the function represented by f (x) = x+1

I need to solve for x - 6 (2x-5) = - (x+4)

What is the probability that the hunter would have three successful hits in nine shots?

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

Which of the following statements describes circumscribing? Choose all correct answers. A) One figure is drawn around the other. B) One figure must be a circle. C) The figure on the inside circumscribes the figure on the outside.