You can find your answer by just substituting -3 for x......
The number 144 is rational because it can be expressed by 144/1
Answer: Third option is correct.
Step-by-step explanation:
Since we have given by
Event A: the red die shows 1
Event B : the numbers add to 4
Event C: at least one of the numbers is 3
Event D : the numbers do not add to 9.
D' means the number add to 9.
We need to write the following statement in symbolic form:
Either the numbers add to 9 or the red die shows a 1.
So, it becomes,

Number of elements in D'∪A = 1.
Hence, Third option is correct.
Answer:
Answer is d.
Step-by-step explanation:
edg 2020
Answer:
Step-by-step explanation:
radius=16/2=8 units
d=12 cm
reqd. length=√(12²-8²)=√(144-64)=√80=4√5 units