Deshawn built a model train car. the length of the model train car is 6 in. the scale deshawn used to build the model train car is 1: 36. what is the actual length of the train car in feet? a) 6 ft b) 12 ft c) 13.5 ft d) 18 ft

What is the standard form of -5x^2+2x^4-11+x^3+3x

Which elements in the set below are integers? 12, –3⁄4,√ 25 , –7, √ 5 , 14⁄7, 9 a. 12, √ 25 , –7, 9 b. 12, √ 25 , –7, 14⁄7, 9 c. –3⁄4, 25 , √ 5 ,14⁄7 d. 12, –7, 9

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?