14 is the answer. Hope this helps
Step-by-step explanation:
x² = 50²+ 55² - 2 • 50 • 55 • cos61°
Answer:
Choice C. -17
6 to 7 = -13
7 to 8 = -15
8 to 9 = =17
it is 108
5×72
ggggggggggggggggggg
