Amanda purchased n notebooks. they were 4 dollars each. write an equation to represent the total cost c that amanda paid.

Complete the equation of the line through (−10,3) and (−8,−8). use exact numbers.

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s? a. 56.3 b. 33.7 c. 41.8 d. 48.2

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