What is true regarding two adjacent arcs created by two intersecting diameters?
A. They always have equal measures.
B. the difference of their measure is 90
C. The sum of their measure is 180.
D. Their measures cannot be equal.

Use complete sentences to differentiate between a regular tessellation, and a pure tessellation. be sure to include specific types of polygons in your explanation.

‼️‼️‼️10 points‼️‼️‼️ me it’s important‼️‼️‼️‼️‼️

Using pert, adam munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 4. a) what is the probability that the project will be completed in 17 months? b) what is the probability that the project will be completed in 20 months? c) what is the probability that the project will be completed in 23 months? d) what is the probability that the project will be completed in 25 months? e) what is the due date that yields a 95% chance of completion?