Answer:
78°
Step-by-step explanation:
Corresponding parts of congruent triangles are congruent, so m∠S = m∠N, which is 78°.
Answer:
52 degrees
Step-by-step explanation:
Every triangles angles sum up to 180 degrees
83+45=128
180-128=52 degrees
Answer:

Step-by-step explanation:
Let
represent the real numbers.
For the first part, all real numbers less than or equal to 9 in algebra is
.
For the second part, all real numbers greater than or equal to 7 in algebra is
.
To combine both inequalities, it would become
.
Hope this helped! If not, please let me know! <3