Across 1. Unrevivable (abbr.) 4. Land of Sunnis, Shiites, and Kurds 8. Seinfeld character played by Julia 14. One 17. Acad. resume 18. Roman dalmatian count? 19. Discontinuity type of (1, -1) if y = (x-1)(x- 2)/(x-1) 21. Gigayear 22. Obesity stat. 24. Affirmative response by a Briton 25. GM make 27. “Bimetallic” jumble 30. Flap 32. Awash (in) 33. Resize for aesthetic or space reasons 35. Columbus sch. 37. Excellent grade 38. Letters for some equip. 39. Mushroom 41. Chats involving n > 2 participants 46. Common duffer occurrence 47. 950 (nonstandard) 48. Leg, not a hypotenuse 49. Omega’s position 50. Possible radiotelescope mission (abbr.) 51. Kansas city 55. MS Word files 57. Distinct complex roots of a quadratic with real coefficients 59. Harpsichords or cellos 62. Japanese carrier (abbr.) 63. Windows predecessor 64. Dr. ___ 65. Prom. to repay 66. Students’ joy 70. Tennis star whose funeral was at

Washington National Cathedral 72. Rooms for storing dishes and utensils 75. Type of sch. found in Normal, IL 77. Word with money or bad 78. Some Z’s Down 1. Charles’s late ex 2. Pumped with energy 3. ___ic Sea 4. Caesar’s 1006, backwards 5. Acted like Parisians at 1913 ballet premiere 6. Aleve competitor 7. Said of a function f which has, for almost all x in its domain, the property that lim f(x) = f(c) as x approaches c 8. In the Fitzgerald scat singing style? 9. 50 10. Current with sinusoidal voltage function 11. L___ (large British city) 12. NBC host after Jay (circularly shifted) 13. A or an (Ger.) 15. That is (Lat. abbr.) 16. All mathematics is this 20. And (Lat.) 22. Commercial grp. that investigates fraud 23. Mamma ___! 26. Amer. 28. Scrape uncomfortably 29. Katrina breached them 31. Oklahoma city 34. Numbered sch. 36. Suddenly out of luck? (abbr.) 37. Emoted 39. Germanic 40. Florida city 42. What Mr. Bill always said on vintage SNL 43. Environmental org. 44. “Precious” jumble 45. Plumbing obstruction 51. Horseplay 52. BWI stat 53. Barbie’s guy 54. Way to prove triangles congruent (abbr.) 56. Tin symbol 58. 10 million ergs 59. Price 60. Fed. workplace safety enforcers 61. Volunteer st. 63. The (Ger.) 67. Nathan, to his friends 68. What a mathematician says instead of “and/or” 69. Part of W/L 71. Ate (nonstandard alt.) 73. Every (abbr.) 74. Romance lang. 76. 2.7182818284590 . . .