5. Find x so that the first term 2x+1. the second term 10X-2, and the third term 40x-8 form a geometric sequence A 3 B.6 C9 D 12 6. What is the twelfth term of the geometric sequence 64.32, 16,.? c А. B D 32 7 Find the fifth term of a geometric sequence whose first term is 4 and whose third term is -100 A-2500 B. 2500 C-3000 D 3000 8. In the geometric sequence 2, 6, 18, which tem is 43747 A oth tem B. 7th term C Sth term D 9th term 9 Find the common ratio of a geometric sequence whose sixth term is 1215 and whose eleventh term is 295 24 A 3 C.9 DIS 10 What is the formula for the nth term of the geometric sequence 5, 15,45, 135,-? А аз D-7447​