9. Triangle CDE is transformed to create triangle C'D'E'. The coordinates of the pre-image and the image are shown below. C(-6, 8) D(-4,8) E(-5, 9) C'(-8, -6) D'(-8, -4) E'(-9,-5) Which describes the transformation? A. Translation 2 units left and 14 units down

B. Rotation 180° clockwise

C. Reflection over the x-axis

D. Rotation 270° clockwise​

Scott harris can invest $7,000 in a 1-year cd that earns interest at an annual rate of 4 percent compounded monthly. the amount per $1.00 is 1.040742. he can also invest $7,000 in a 1-year cd at annual rate of 4 percent compounded quarterly. the amount per $1.00 is 1.040604. what is the difference in the amount of interest earned for each investment? a) $0.96 b) $0.81 c) $0.87 d) $0.88

The circumference of a redwood tree trunk is 20π ft, and it is 100 ft tall. what is the approximate volume of the redwood tree trunk? 1,000π ft3 10,000π ft3 4,000π ft3 40,000π ft3

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).