Answer:
50°
Step-by-step explanation:
ALL ANGLES IN A TRIANGLE ADD UP TO 180°
180 - (60 + 70)
= 180 - 130
= 50
Therefore the missing angle is 50°.
50
60+70=130
180-130=50
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15, 17, 19
10000 meters
10 km is 10000 meters
9x – 3y – 5x + 7y + x + y
9x-5x+x -3y+7y+y
x(9-5+1) +y(-3+7+1)
5x+5y
Choice C
