Answer:
4
Step-by-step explanation:
ƒ(x) = 3x + 9; Substitute 21 for ƒ(x).
21 = 3x + 9
21 − 9 = 3x
12 = 3x → x = 4
1/9 < 0.25 < 6/5
Answer: She can make 8 bracelets that are 11.43 centimeters.
Step-by-step explanation: Since one yard is equal to 91.44 centimeters you can divide this by 8, the amount of bracelets, and you get 11.43 centimeters