Find the greatest common factor of 50, 25, and 10

5

Step-by-step explanation:

Factors of

50 - 1, 2, 5, 10, 25

25 - 1, 5, 25

10 - 1, 2, 5, 10

= 5

step-by-step explanation:

to find the 15th term substitute n = 15 into the nth term formula

= (- 3 × 15 ) + 50 = - 45 + 50 = 5