Robin bought a four-scoop ice cream cone having a scoop each of vanilla, chocolate, strawberry, and cherry. in how many orders can the four scoops be stacked on the cone if they are stacked one on top of the other and chocolate cannot be on the bottom?

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.

Does anyone know how to do geometryme with this problem

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36