friday target 5 7 8 wrong; 5 right; sprint wrong 7 (should be x2=14), 19 not done; 20-22 right; 28-29 right; 23 26 wrong; total 22 right

sprint missing 7 19 23 24 25 26 27 30; 23 needs ptolemy theorem! 24 easy; 25 needs computer; 26 27 computer; 30 kite geometry easy;

target 5 - pythogorean, similar triangles, should be easy; 7 8 tetrahedral number - computer

saturday sprint 20 right; wrong 16 17 20 24 25 26-30 not done; 16 how many prime numbers add to a square? 9: 2 3 5 7 11 13 17 19 23=100; 17 18-divisible must be both 2 and 9, even number end 0 2 4 6 8; so it's 9 0, 7 2 , 5 4, 3 6, 1 8; don't forget add 0 0! 7200 can divide by 18! 20 sphere and cylinder surface area, easy; 24 six boys and 2 girls seating; 7!x2, easy; 25 starts with 4 8 9 16 25 27 32 36 49 64 81 100 121 125 128 144 169 216 243 256; 169 is the answer 17th number;

target 3 right; 6 is for computer #3 5400 erased right answer; 4 should be 680 wrote 880; target 4 6 8 wrong;3 7 not done; 8 geometry should be easy