Answer:
∠2 = 78°
Step-by-step explanation:
Angle of a straight line is 180°.
So, that would mean ∠1 + ∠2 = 180°.
⇒ ∠2 = 180° - ∠1
⇒ ∠2 = 180° - 102°
⇒ ∠2 = 78°
Hence, the answer.
(3a) - (8a) = -5a
2b + b = 3b
-5a + 3b
15. -2
16. A. The pool was originally empty
Answer:
62.84
Step-by-step explanation:
52.37 times 1.20(how you calculate tip) =62.84