A) Plane because it is a flat surface that extends in two dimensions but exists in a three-dimensional space, and also it isn't a point, a line, or an angle because a line is infinitely thin, a point is infinitesimally small, and an angle is a measurement, not a surface.
Answer:
yes
Step-by-step explanation:
this is an answering website
Step-by-step explanation:
what is the question. what am I to do with those random numbers without a question, I'm just writing all this because they said at least 20 characters so don't get offended but pls give a detailed question
Answer: 19 1/2
Step-by-step explanation:
7x + 7y = -21
48x - 8y = 136 This is where you find a common sum.
8(7x + 7y = -21) ex: 7 and 8
7(48x - 8y = 136)
56x + 56y = -168 Multiply it out
336x -56y = 952
392x = 784 Divide/Simplify
x = 2
Now substitute to find Y. I hope this helped!
