Caroline is tiling her bathroom floor. Each tile is a square, with 25 cm sides. The bathroom floor is in the shape of a rectangle, 4.5 m by 2 m. a How many packs of tiles does Caroline need? b What is the total amount that Caroline pays for the tiles?​

Caroline is tiling her bathroom floor. Each tile is a square, with 25 cm sides. The bathroom floor is in the shape of a rectangle, 4.5 m by 2 m. a How many packs of tiles does Caroline need? b What is the total amount that Caroline pays for the tiles?

he spend 5.1 minutes chatting with his friends

step-by-step explanation:

2/5+1/2=9/10

6/1-9/10=5 1/10

-7

step-by-step explanation:

x^2 + 18x + 74 = (x + 9)^2 - 81 + 74

= (x + 9)^2 - 7.

so q = -7.