Answer:
2 1/4 inches
Step-by-step explanation:
First, subtract all of the margins from the width to get 4 1/2 inches. Then, divide this by two to get 2 1/4.
Answer:
The last one
Step-by-step explanation:
Answer:
a = ±10/9
Step-by-step explanation:

Answer:
$7.50
Step-by-step explanation:
3/4 of the original price
Original price: $10
So we need 3/4 of $10
10 ÷ 4 = 2.5
2.5(3) = 7.5
3/4 of $10 = 7.5, so the price is now $7.50
Answer:
The probability is 
Step-by-step explanation:
From the question we are told that
The percentage of parents that have one child under 18 in their homes is k = 15%
The percentage of parents that have two children is T = 65%
The percentage of parents that have three or more children is Y = 20%
Generally the probability that any given family who is selected have two or more children at home is mathematically evaluated as

=> 
=> 