Marcia and Tamara are running a race Marcia has run 4 kilometers. Tamara has completed3/4 of the race and is 2.5 kilometers ahead of Marcia. Write an equation that represents the relationship between the distances each girl has run. Let k represent the total length of the race in kilometers

For which rational expression is -2 an excluded value of x?

Evaluate 4 a for a = 5 2/3 . express your answer in simplest form.

The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean