The model for a jet uses the scale 1 in. : 2 ft. The length of the jet is
300 ft. What is the length of the model?

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

Yesterday i ran 5 miles. today, i ran 3.7 miles. did my percent increase, decrease or is it a percent error? plz i need

Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective