If m∠STU = (13x – 6)°

, mSU = (21x + 8)°

, and mUT = 143°

, find mST.

Which of the following regions has what is considered the most rugged terrain in oklahoma? a. the wichita mountains b. the arbuckle mountains c. the sandstone hills d. the ouachita mountains

Write a short paragraph of about 150-300 words. explain how the physical environment can limit human activities.

Distance that the transcontinental railroad covered from omaha to san francisco.