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

Write each expression in exponential form and find its value. 2 x 2 x 2 x 2

Find the ratios of the corresponding sides

Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.