Scale factor = 15/9 = 1.67
AB = 1.67 x 6 =10
Answer:
s(21) = 101.
Step-by-step explanation:
Just substitute n = 21 in the general form:
s(21) = 5(21) - 4
= 105 - 4
= 101. (answer)>
He bought 5 science books and 2 Math Books
5 Science Books = $300
2 Science Books = $100
7 Books = 400
Positive because it does not go less than 0.