I'm pretty sure its 100 because if she gave each of her 19 students 5 invitations that equals 95. (19×5=95) And She had 5 leftover equals 100. (95+5=100)
Answer:

Step-by-step explanation:
formula L * H =A
8*14=112
Answer:
I think its x = 8
Step-by-step explanation:
There are 8 white long rectangles so I would think x = 8
but there are 9 little white squares so it could be 8 + 9 but
The roots of a square number can be positive or negative.
Hence, the answer is {-4,4}.