Good evening ,
Answer:
∠b = 12°
Step-by-step explanation:
∠a and ∠b are complementary angles ⇔ ∠a + ∠b = 90
Then ∠a =90 - ∠b = 90 - 78 = 12°
:)
The answer would be f-1(x)=x^2-3
Hope it helps
Answer: I might of got it totally wrong but I got $5,070.00
Step-by-step explanation: