Which fraction is equivalent to 4/6? 2/4 2/3 1/3 1/2

In the equation sqrt(n+5)-sqrt(11-10)=1. what is the value of n

Awoman who is 64 inches with a shoulder width of 16 inches. write an equation relating the height h to the width w. find the height of a woman who has ashoulder width of 18.5 inches

Which of the following is the major negative aspect of crossover designs for research studies? a. prohibitive cost b. residual effects c-subject drepout d. incomplete randomization e. large sample size required