Answer:

Step-by-step explanation:
remember that,
<u>if a side of a triangle is extended then exterior angle so formed equal to the sum of the two opposite interior </u><u>angles</u>
thus our equation is

cancel out 86° from both sides:

hence,
the measure of the missing angle is 49°
Answer:
the circumference is 30 cm,
Step-by-step explanation:
Hope it helps
Answer:
Step-by-step explanation:
(-6+12i)-(7-19i)=
-6+12i-7+19i=
-13+31i
(b)
Answer:b
Step-by-step explanation: cause my name Komi
Example
2^3 4^2
2×2×2=6 4×4=16
All you do is multiply the number by the exponent however many times the exponents is