(NCER 19. Using the given pattern, find the missing numbers.
12 + 22 + 22 = 32
22 + 32 +6² = 72
4² +52 + 2 = 212
52 + 2 + 302 = 312
32 +42 + 122 = 132
6²+72+
2 =
2 (NCERT)​

Which three lengths could be the lengths of the sides of a triangle? 21 cm, 7 cm, 7 cm 9 cm, 15 cm, 22 cm 13 cm, 5 cm, 18 cm 8 cm, 23 cm, 11 cm

Which type of graph would allow us to compare the median number of teeth for mammals and reptiles easily

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.