1. False because a rational is a fraction or part of a number (

).

2. True; a real number is any number that isn't imaginary (

)
3. True; same reason
4. True; an integer is any number that can be wrote without a fraction or decimal (the opposite of rational).
5. True;

and that's a decimal.
6. True; the natural number system starts from 0 and counts upwards
7. True; reason above
The answer should be d
64pi=4pir^2
cancel the pi
64=4r^2
16=r^2
r=4
Answer:
$9450
Step-by-step explanation:
Given that:
The price of the home = $450000
The interest = 7.8%
Down payment = 30% of price of the home
i.e 0.3 × 450000 = 135000
The principal outstanding balance = 450000 - 135000
= 315000
Finally, the cost of 3 points will be;

= $9450
Answer:
900 cuboc unit
Step-by-step explanation:
Volume of pryamid= 1/3× area× height
= 1÷3×15^15×8
= 900cubic unit