You could rewrite

as

and be tempted to cancel out the factors of

. But this cancellation is only valid when

.
When

, you end up with the indeterminate form

, which is why

is not a zero.
Answer:
-99
Step-by-step explanation:

No, because then she would have to pay 21 dollars as a total and she only has 20.
Add adult plus Child,
5.75 + 11.25 = 17
add that to the book's price,
17+3.99= 2.99
it will exceed the budget by 99 cents.
Answer:
12
Step-by-step explanation:
4s multiples:
4,8,12,16,20,24
6s multiples:
6,12,18,24,30,36
lowest number that is a common multiple between both 4 and 6:
12
Answer:
(-2,-3)
Step-by-step explanation:
Hope this helps!