HELP giving 18 points Leisha is retiling a hallway in her house with linoleum squares. The area she is tiling measures 60 inches by 132 inches. Each square measures 8.0 inches by 8.0 inches.

How many tiles will Leisha need for 1 row?

How many tiles will Leisha need to cover the entire floor?

How many whole tiles should Leisha buy?

When a rectangle is dilated, how do the perimeter and area of the rectangle change?

Aregular pentagon with a perimeter of 21 inches is dilated by a scale factor of 5/3 to create a new pentagon. what is the perimeter of the new pentagon?

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.