Answer:

Step-by-step explanation:
Step one:
Given data
dimension of the rectangle
Width = 8y-1.5
Length = 1.5y+9
Required
The expression to represents the Perimeter
Step two:
the perimeter of a rectangle is expressed as

collect like terms

Answer:
13
Step-by-step explanation:
convert 52% into a decimal which is 0.52 then mulitply by 25 to get your answer
Given:
Total number of book = 22
Number of white books = 6
Number of Purple books = 9
Number of green books = 7
To find:
The probability that Warren takes out a green book in both draws (with replacement).
Solution:
We know that,




After replacement, the probability of event remains the same and the independent.
The probability that Warren takes out a green book in both draws is:



Therefore, the correct option is (a).
0.12 can be written as 12/100 or 3/25. It is very much a rational number as no square root is involved in the fractional form of the number.