Answer:
1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 66, 78, 91
Step-by-step explanation:
Answer:
12
Step-by-step explanation:
Answer:
11
Step-by-step explanation:
9+9+11+15 is 44 44/4 is 11
Combine like terms, then divide by 7
Answer:
d. 3x - 1.
Step-by-step explanation:
45x^4−5x^2
The GCF is 5x^2 so we have:
5x^2(9x^2 - 1)
The expression in the parentheses is the difference of 2 squares so:
= 5x^2(3x - 1)(3x + 1)
