Practice PROBLEM ... Suppose the radius of a circle is 5. What is its circumference? Either enter an exact answer in terms of pi or use 3.14 for pi and enter your answer as a decimal. Please help​

At a point on the ground 50 meters from the foot of a tree, the angle of elevation to the tree is 48°. find the height of the tree to the nearest meter.

Question 5 of 10 2 points if a population is a sample of the population could be a. registered voters; all citizens o o b. baptists; all religious people o c. people who purchased shoes; all customers o d. the entire school faculty; math teachers

700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?