Answer:
b
Step-by-step explanation:
1 x 9, 3 x 3, 9 x 1
1 and 9 are a factor pair of 9 since 1 x 9= 9
3 and 3 are a factor pair of 9 since 3 x 3= 9
9 and 1 are a factor pair of 9 since 9 x 1= 9
The answer is 820 (520+300)
Answer:
36.1
Step-by-step explanation:
53.9 + 36.1 = 90