8. The sum of two numbers is 23 less than twice the first number. Their difference is 19 less than twice the second number. Find each of the numbers.

The second term of an arithmetic sequence is 30. the fifth term is 90.calculatei). the commor difference of the sequence ii). the first term of the sequence tje first, second and fifth terms of the arithmetic sequence are the first three terms of a geometric sequence calculate the seventh term of the geometric sequence