Pentagon ABCDE has been rotated to pentagon A'B'C'D'E' Identify the rotation modeled by the diagram.
AJ
? 3
90 degrees clockwise about the origin
O 90 degrees counterclockwise about the origin
O 180 degrees clockwise about the origin
270 degrees counterclockwise about the origin

answer:   b

step-by-step explanation:

x2 = 16

x can not be a negative number because 16 is positive

the only answer would be positive 8  

236 cm 16 time 12 = 192

6 times 7 = 42

192+42

chemists are often responsible for designing a chemical reaction and analyzing the products obtained from it. one significant part of designing a chemical reaction is determining the amount of each reactant that is needed and the amount of each product that will be produced. in order to do so, chemists use stoichiometry, the quantitative relationships between reactants and products.

open side up . . 1/50 . . 2%

closed side up . . 5/50 . . 10%

landed on side . . 44/50 . . 88%