Answer:
80%
Step-by-step explanation:
Divide the number of incorrect over the number of problems
# of incorrect/# of problems
44/55=0.8
0.8 as a percent is 80%
So he got 80% of the questions correct
Hope this helps! :)
Answer:
4+3n
Step-by-step explanation:
We get the formula 4+3n because the pattern is +3 each term starting with the first term as 7. Since the first term is 7, we get 4+3n.
Answer:
the answer would be a
Step-by-step explanation:
Answer:
see explanation
Step-by-step explanation:
(a + b)²
= (a + b)(a + b)
Each term in the second factor is multiplied by each term in the first factor, that is
a(a + b) + b(a + b) ← distribute parenthesis
= a² + ab + ab + b² ← collect like terms
= a² + 2ab + b²