The fun committee is hosting the annual city festival. jennifer is in charge of the committee and is planning a race to raise money for the festival. the runners will earn money from donors for the number of miles they run. if the runners start at the park, run to city hall, and then run back to the park, how many total miles will each runner run? show your work and leave your answer in simplest radical form if necessary.

Jeffery conducted a survey in his school and found that 30 of the 50 eighth grade students' favorite subject is mathematics. based on the results, jeffery concluded that out of the 200 students in his school, 120 students' favorite subject is mathematics. select the statement that is true about jeffery's conclusion. a. jeffery's conclusion is not valid because the sample was biased since only 200 students were surveyed. b. jeffery's conclusion is valid because the sample was random since all of the students were eighth grade students. c. jeffery's conclusion is valid because the sample was random. d. jeffery's conclusion is not valid because the sample was biased since all of the students were eighth grade students.

Big boi and travis scott are performing at the super bowl. travis scott is 62 years younger than twice big boi’s age. the sum of their ages is 70 years old. use b to represent big boi’s age. write and solve an equation.

Solve the equation. then check your solution 8=1.88+a