Answer:
$30
Step-by-step explanation:
Total amount paid by the hire purchase scheme:
$60 + 6 * $45 = $60 + $270 = $330
Total amount paid in just the cash price:
$300
Difference:
$330 - $300 = $30
Answer:
It isn't necessary but having a positive coefficient for 
makes things like completing the square and factoring easier.
Answer: 1 & 4
Step-by-step explanation:
Just did it
Answer:
False
Step-by-step explanation:
20, 25, and 30 no hagas un triángulo rectángulo
