Let F be a collection of subsets of a set X. Then the intersection A of all o-algebras of subsets of X that contain F is a o-algebra that contains F. Moreover, it is the smallest o-algebra of subsets of X that contains F in the sense that any o-algebra that contains F also contains A.

D B E H) F Fig. 1

25) pind tue Maclaurin polynomiel of degree 3 for the fenctian IC

AABC is reflected over x = - 1 and then dilated by a scale factor of 2. What are the coordinates of A', the image of A? C. B A

The rectangle below is 15 in long and 9 in tall, and the shaded right triangle has area 9.9 in². C 15 in D 9 in What is the straight-line distance between points C and D? Give your answer correct to 2 decimal places.