How much does it cost to carpet a 6 x 7.5 room in sq meters

Plzzz i beg u so much asaaaap ! what is the slope of this line? enter your answer in the box.

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels

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