An experiment was performed to compare the burning times of chemical flares with two different formulations. The results are:

Type 1: 65 83 64 65 86 82 85 74 90 72 66
Type 2: 64 73 57 69 67 56 76 77 89 64 59

Assuming the variances are equal. Answer the followings with an α of 0.05.

a. Test the hypothesis
b. Verify the equal variance assumption.

Amanager recorded the number of bicycles sold by his company each quarter. his projected sales after t years is given by the expression below. which of the following statements best describes the expression? a. the initial sales of 575 bicycles increases at the rate of 4% over 4 quarters. b. the initial sales of 575 bicycles increases at the rate of 18% over 4 years. c. the initial sales of 575 bicycles increases at the rate of 4% over t quarters. d. the initial sales of 575 bicycles increases at the rate of 18% over t years.

Negative 5 1/12 + negative 4 1/4 + 6 3/4

Which graph represents the function g(x) = |x + 4| + 2?