Answer:
Step-by-step explanation:

Answer: it be 10%
Step-by-step explanation:
sorry if i wrong
Answer:
$6
Step-by-step explanation:
$25 divided by 50 = 50 cents a CD
50 cents = 0.5
Now do,
$12 x 0.5 = $6
$6
Answer:
6
Step-by-step explanation:
k(x) = 2x - 4 = 0
2x = 4
x = 2
Now replacing it in h(x) as 2
h(x) = 3x
3 × 2 = 6
Answer:
Lisa spends $138.40 on school lunches in 16 weeks.
Step-by-step explanation:
You have to multiply 8.65 by 16, since 8.65 is how much money Lisa spends each week for lunch, then you multiply by 16 since the problem calls for 16 weeks, then you get your final answer of $138.40.