Answer:
he buys 6.78
Step-by-step explanation:
Answer:3 percent because
Yea im pretty sure that it is A
Answer: 20
<u>Step-by-step explanation:</u>
h(x) = |3x| - 1
h(7) = |3(7)| - 1
= |21| - 1
= 21 - 1
= 20