Which US state shares a border with Louisiana, Arkansas, Oklahoma, and New Mexico?

Where would you find Lake Okeechobee?

What is the highest point in Oregon?

Which US state has the Colorado, Brazos, Rio Grande, Trinity, and Guadalupe rivers flowing through it?

Which is the only US state to begin with the letter ‘P’?

What state borders the following states: Nebraska, Oklahoma, Kansas, Utah, New Mexico, and Wyoming?