Answer:
20
Step-by-step explanation:
youre welcome
Hello,
I’m not sure how to answer your question because looks like you forgot to put an image of the shape your talking about.
Answer: k = 59°
Steps:
180 - 77 = 103
103 + 18 + k = 180
121 + k = 180
k = 180 - 121
k = 59
Check:
103 + 18 + k = 180
103 + 18 + 59 = 180
180 = 180 ✅
4x (-2s+4x^2)
is an multiplication expression
