Which of the following expressions is equivalent to -5.4 - (2.1 + 1.8)? -5.4 + -(2.1 + 1.8) -5.4 + (-2.1 + 1.8) -5.4 - (-2.1 - 1.8) -5.4 - (2.1 - 1.8)

Akitchen floor is made up of tiles that are in the shape of the triangle shown there are 40 tiles on the kitchen floor what is the total area of the floor

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.

Which table represents a linear function? i'll give brainliest to first answer ^'^