Sangi spent his winter holiday in colorado. the ratio of the number of times he went snowboarding to the number of times he went skiing to the number of times he went snowshoeing was 3 : 1: 2. if he went snowboarding 21 times, how many times did he enjoy the winter activities altogether?

And employees salary increase by $4500 which represents a 15% raise what is the employees new salary

Micah solves a linear equation and concludes that x = 0 is the solution. his work is shown below. (1 – 3x) = 4(– + 2) 0 = x which statement is true about micah’s solution?

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?