You are comparing side AB, angle ABD, and side BD in one triangle to side CB, angle CBD, and side BD in the other triangle. That is, you are comparing a Side, Angle, and Side in each triangle. The SAS postulate is the reason the triangles are congruent.
Answer:
multiply times 9 Ratio 3:27 or 1:9
Step-by-step explanation:
Figure A has an area of 3 and the area of figure B is 27 so B is 9 times bigger than A
27 / 3
The total amount of tax on her purchases to the nearest cent will be $9.97
<em><u>Explanation</u></em>
Marcella Heinz purchased office supplies for $107.64 and then she purchased an English-Spanish dictionary for $16.95
So, the total amount of her purchases 
On the total amount of the purchases, she paid state sales tax of 7.5% and the county tax of 0.5%
So, the <u>amount of the state sales tax</u> 
and the <u>amount of county tax</u> 
Thus, the total amount of tax on her purchases 
<em>(Rounded to the nearest cent)</em>
Answer:
In group A, they have at least one 90 degree angle. In Group B, they do not have any 90 degree angles.
Answer:
7
Step-by-step explanation:
If x = -1 then we need to plug that into the equation.
5(-1)^2 +2
Then solve for the first part
5(1) + 2
Then multiply.
5 + 2
Then add
7.
Hope this helped!
