In an AP of five terms, the sum of the last four terms is 38, and the product of the second and the fifth terms is 70. Find the terms of the progression.
3. a) Find the 12 th term of the GP, if the second term is 75 and the 5 th term is -3/5.
b) Find the 45 th term of the GP, if the 20 th term is 1200 and the 30 th term is also 1200.

question 1 is 8, question 2 is 9, question 3 is 24

step-by-step explanation:

now, the numbers they give you at the top are the key. from there, you just have to plug and chug! let's try 1, 2, and 3!

key: a=3, b=5, c=6

1. a+5

remember, a=3, so we plug that in to get 3+5=8

2. 15-c

c=6, so we plug that in to get 15-6=9

3. 4b

b=6, so we plug it in to get 4*6=24

time to try the rest on your own! if you put the answers below in a comment, i'll check them for you!

step-by-step explanation:

the answer is 128

answer: 12   they all have at least 28 days

step-by-step explanation: haha