'clear and appropriate' is both correct and usable in written English.
You can use it any time you want to express that something is both clear and appropriate for a given situation. For example, "The instructions for the new software were both clear and appropriate, making it easy to get up and running quickly."
"The institution evidences clear and appropriate educational objectives and design at the institutional and program level.
"Commitment to Educational EffectivenessThe institution evidences clear and appropriate educational objectives and design at the institutional and program level.
We explored meta-analytic prediction intervals as means for providing a clear and appropriate future treatment summary reflecting current estimates.
President Obama has set clear and appropriate priorities ahead of the visit to Washington on May 18 by Prime Minister Benjamin Netanyahu of Israel.
Express ideas and information in writing and speaking in a manner that is clear and appropriate to the audience, and read and listen effectively.
"The review panel believes the erosion of clear and appropriate referral guidelines must also be taken into consideration as a failure at the management level of Nine," the review said.
This is why I.V. push is included in the Phenergan label and accompanied by clear warnings and appropriate advice about the risks of improper administration.
Some potential buyers might not listen to Polaris' disclaimers and recommendations, even though they are very clear, prominent and appropriate.
Articulate a complaint about a specific behavior and express your feelings in a way that is clear, direct and appropriate.
All participants found the questionnaire to be clear, understandable, and appropriate.
It was found to be clear, relevant, and appropriate to the condition.
