171 ÷ 9 use multiplication and the distributive property to find the quotient. there's an ex. of what it should look like.

What can you determine about the solutions of this system

Given the sequence 7, 14, 28, 56, which expression shown would give the tenth term? a. 7^10 b. 7·2^10 c. 7·2^9

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