Answer:
there are 19 unfavorable spots in 21 for Daeshon,
thus Pr = 19/21 [ B ] <----
As stated by the statement, isometric means same measure. So, when a rigid transformation occurs all the measures of the original figure (which will be transformed) will be the same of the new figure (the result of the transformation).
That means that you can verify that the transformation used was rigid by checking the measures of both (original and transformed) figures: if and only if the meausures of the final figure are the same of the original figure the transformation was rigid.
6 packs of glitter pens, 9 packs of stickers, and 12 packs of balls
First Simplify addition and subtraction expressions: combining like terms. ...
Second Read and write an algebraic expression containing a variable. ...
Third Write word problems as algebraic expressions. ...
Fourth Read and write algebraic expressions using parentheses. ...
Last Evaluate one-step algebraic expressions by substitution.
Answer:
The null hypothesis is: 
The alternative hypothesis is: 
Step-by-step explanation:
Consider the provided information.
It is given that the average air pressure in footballs used by the Patriots was significantly less than the allowable limit of 12.5 psi.
The null hypothesis indicates that there is no substantial difference between given populations, due to sampling or experimental error, any observed difference.
Therefore, the null hypothesis is: 
The required alternative hypothesis is: 