Answer: 72
Step-by-step explanation:
From the question, we are informed that a disc jockey can play 7 records and that there are 9 records to select from for a particular segment of a radio show.
The number of ways that the program for the segment be arranged will be:
= 9! / 7!
= (9 × 8 × 7 × 6 × 5 × 4 × 3 × 2 × 1) / (7 × 6 × 5 × 4 × 3 × 2 × 1)
= 9 × 8
= 72
Step-by-step explanation:



or

Answer:
A. 25%
Step-by-step explanation:
If you multiply something by 0.75, you're multiplying it by 75%, and that means you're losing 25% each time, so the rate of decay is 25%
Answer
the down payment is $75,750
Explanation
The selling price of a house = $505, 000
The person made a 15% down payment
Down payment = 15% x $505, 000
Down payment = 0.15 x $505, 000
Down payment = $75, 750
Therefore, the down payment is $75,750
5x-11=44
5x=55
x=11
hope that helps