Answer:
78 tickets left to be sold
Step-by-step explanation:
87-9=78
I wanna say the answer is A
12-x(5-4k)=y
12-y=x(5-4k)
12-y/(5-4k)=x
Answer:
D
Step-by-step explanation:
To convert from polar to rectangular form
• x = rcosΘ , y = rsinΘ
• r = ⇒ r² = x² + y²
Given
r = 8cosΘ
r = 8 × ( multiply both sides by r )
r² = 8x, hence
x² + y² = 8x ⇒ D
Answer:
sorry don't know what is ans