The factors of 45 are: 1, 3, 5, 9, 15, 45The factors of 72 are: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72The factors of 99 are: 1, 3, 9, 11, 33, 99
The common factors are: 1, 3, 9
Hope this helps. :)
Answer:
7.14
Step-by-step explanation:
first you have to do the subtraction in the parentheses so it's 8+3(4) and then you multiply the 3 by 4 (only the 3 because the 8 isn't next to the multiply) and then you have 12, add 8 and it's 20