The original price is $4.50 because when you multiply it by 50% you get $2.25
Answer:
(7, ∞)
Step-by-step explanation:
Because x does not equal 7 as well, brackets won't be used here.
Because x can be any number greater than 7, this means the domain includes positive ∞.
Answer:
15
Step-by-step explanation:
Answer:
24
Step-by-step explanation:
