Answer:
Triangles congruent by ASA have two pairs of congruent sides and an included congruent angle. The graph indicates that sides TV, HG, and AB are congruent, and that sides TU, FG, and BC are congruent. It also indicates that angles U, F, and C are congruent, and that angles G and B are congruent.
Answer:
or 
Step-by-step explanation:
Assuming the question to be finding the value of b.
Solution:
Rewrite the equation as.

first we solve right side of the equation.



Add 23 both side of the equation.




or

Therefore, the value of
or 
Answer: 56
Step-by-step explanation:
7-2x=-27
-2x=-34
x=17
so 3x+5=3(17)+5=56
Answer:36 postcards
Step-by-step explanation:
jenny bought 12 post cards
joe bought half of the postcards jenny bought = 12/2 = 6
ruth bought 3 times the postcards joe bought = 3 x 6 = 18
total postcards bought by all = 12 + 6 + 18 = 36 postcards