At Sammy's school, all seventh grade students are randomly arandomly assigned one of 7 books to read. The books are the show many of the possible combinations of reading groups and books would Sammy read a book he has not read before? A. 2 out of 7 possible combinations

B.5 out of 7 possible combinations

C. 7 out of 14 possible combinations

D. 10 out of 14 possible combinations

Factor completely. 4p^2 + 36p + 81 express the answer in the form (ap + b)^2

Assume that 1400 births are randomly selected and 1378 of the births are girls. use subjective judgment to describe the number of girls as significantly high, significantly low, or neither significantly low nor significantly high. choose the correct answer below. a. the number of girls is neither significantly low nor significantly high. b. the number of girls is significantly high. c. the number of girls is significantly low. d. it is impossible to make a judgment with the given information.

Michelle and julie work at a catering company. they need to bake 264 cookies for a birthday party that starts in a little over an hour and a half. each tube of cookie dough claims to make 36 cookies, but michelle eats about 1/5 of every tube and julie makes cookies that are 1.5 times as large as the recommended cookie size.it takes about 8 minutes to bake a container of cookies, but since julie's cookies are larger, they take 12 minutes to bake. a. how many tubes should each girl plan to bake? how long does each girl use the oven? b. explain your solution process what did you make? c. what assumptions did you make?