The sum of the measures of the interior angles of a convex quadrilateral is
a. 180°
b. 270°
c. 540°
d. 360°

Can someone me with the property questions for 12 13 and 14 plz

Which statement about the annual percentage rate (apr) is not true?

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?