PLEASE ANSWER QUICK
look at the expression below.

4w-5/w^2+w-2 added by w^2/w^2+7w+10

which of the following is the least common denominator of this expression?

A. (w+5)(w-1)(w+2)
B. (w+2)(w-1)(w+5)(w+2)
C. (w+2)
D. (w-1)(w+5)

Trent wants to buy 2 packs of trading cards for 3 dollars each. the trading card packs that trent normally buys tend to come in packs of 6, 10, 12, or 15 cards. after selecting 2 packs, trent found that the first pack of cards cost 25 cents per card, and the second pack cost 30 cents per card. trent uses this information to write the equations below in order to compare c, the number of cards in each pack.

Roger could feed 5 walruses with 4 kilograms of fish. how many walruses could he feed with 7.2 kilograms of fish?

Show all work to identify the discontinuity and zero of the function f of x equals 6 x over quantity x squared minus 36