Please capitalize where necessary: if you at a later time, want to change the settings and make the post visible, you just need to adjust the settings.
A: If you at a later time, want to change the settings and make the post visible, you just need to adjust the settings.
Q: we will re-issue the e-mail confirmation for you.

A: We will re-issue the e-mail confirmation for you.
Q: before you can open a sjx file, you'll need to figure out what kind of file the sjx file extension refers to.
A: Before you can open a SJX file, you'll need to figure out what kind of file the SJX file extension refers to.
Problem: displays current value of each coin shown in currency. click the left arrow (with a minus sign) to decrease the value of each coin. click the right arrow (with a plus sign) to increase the value of each coin.
Can you repeat this sentence, but capitalize it?
Answer: Displays current value of each coin shown in currency. Click the left arrow (with a minus sign) to decrease the value of each coin. Click the right arrow (with a plus sign) to increase the value of each coin.
Text: if you quit, you certainly won’t be successful.

Correct capitalization: If you quit, you certainly won’t be successful.
Q: chapters i and ii are concerned with the propositional calculus, discussing tautologies and the decision problem, duality, consistency and completeness, and independence of the axioms and rules of inference.

A:
Chapters I and II are concerned with the propositional calculus, discussing tautologies and the decision problem, duality, consistency and completeness, and independence of the axioms and rules of inference.