Answer:
Step-by-step explanation:
If you "open up" the parentheses, you would get:
Which, if you combine like terms, is:
Hope this helps :)
Answer:
b, 300
Step-by-step explanation:
r^2 15^2=225
so the closest answer is 300
Answer:
If the conclusion is false, then one or more of the premises must also have been false.
Step-by-step explanation:
One important distinguishing feature of valid arguments is that - if the conclusion is false, then one or more of the premises must also have been false.
An argument form is said to be valid, if and only if, when all premises are true, then the conclusion is true.
