Answer:
might be wrong..but i think its all real numbers
M∠ADB + m∠BDC = m∠ADC [<span>angle addition postulate]
x + x + 10 = 60
2x + 10 = 60
2x = 60 - 10
2x = 50
x = 50/2
x = 25
a
m</span>∠ADB = x = 25°
b
m∠BDC = x + 10 = 25 + 10 = 35°
Answer:
(1/2,-5/2)
Step-by-step explanation:

Answer:
you have to divide 12 by 15
Step-by-step explanation: