How many three digit numbers can you get by arranging the numbers 5, 6, 7,8,3, 4, 5, 6, 7, 8, 92?

List the sides of δrst in in ascending order (shortest to longest) if: m∠r =x+28°, m∠s = 2x+16°, and m∠t = x+12°

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?