Answer:
abcd not sure about e but e is irrational
Step-by-step explanation:
rational numbers are any finite number or decimal that doesn't terminate
a b c d are rational e is not
Answer:
143
Step-by-step explanation:
90-53=37
180-37=143
We know









<h3>Option b is coreect</h3>
Answer:
Step-by-step explanation:
first multiply 1 with 2+5i then multiply 2i with 2+5i and you will get
2+5i+4i+10i^2
then in the next step add 4i and 5i you will get 9i
in the next step put i^2=-1 and you will get -10
in the last step just substract 2-10 you will get -8 and 9i
and your answer will be -8+9i