Answer:
Adding the 2 known angles: 60° + 100° = 160° We subtract this from 180°. 180° – 160° = 20°. Our missing angle is 20°. To find a missing angle in a triangle we subtract the two known angles from 180°.
Step-by-step explanation:
As written, it is interpreted to mean 14·22·350·x = 107800x.
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Often such an expression written here on Brainly is expected to be interpreted as an exponential expression: 
Answer:(9y-7)(9y+7)
Step-by-step explanation:
81y^2-49
=(9y)^2-(7)^2
=(9y-7)(9y+7)
Answer:
140 people
Step-by-step explanation: