Answer:
n=3
Step-by-step explanation:
3n
We can see that the 3 gets distributed into the parentheses since there is a +21 on the right (3×7=21) so we also have to distribute the 3 to the n
Ans1wer:
1930
The expression 4x^2represents 4.x.x
(300-60)/6,4=37,5
12/3=4
Y= Time and X=The number of shoelaces
10.625
