Last year and athletes average time to run a mile with 6 min 13 s. this year the athlete average time is 60 min 5 s what is the percent decrease ? round to the nearest percent

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

How can you find the magnitude of a vector, v = < x, y > , where the horizontal change is x and the vertical change is y?

The school board administered a math test to all students in grade 66 at high achievers charter school and determined that 15\%15% of them were below grade level in math. based on this data, which of the following conclusions are valid? choose 1 choose 1