Δabc is similar to δdef. the length of segment ac is 12 cm. the length of segment bc is 18 cm. the length of segment df is 10 cm.

what is the length of segment ef?
question 1 options:

15

14

10

9

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76

Consider a cube that has sides of length l. now consider putting the largest sphere you can inside this cube without any point on the sphere lying outside of the cube. the volume ratio -volume of the sphere/ volume of the cube is 1. 5.2 × 10−1 2. 3.8 × 10−1 3. 1.9 4. 2.5 × 10−1 5. 3.8

Students are given 3 minutes to complete each multiple-choice question on a test and 8 minutes for each free-responsequestion. there are 15 questions on the test and the students have been given 55 minutes to complete itwhich value could replace x in the table? 5507-m23-m8(15-m)8(15)-m