PLZ HELPP. ALL MY POINTS FOR THIS QUESTION!! BRAINLIEST ANSWER DUE IN 2hrs. For the Given acute triangle ABC point H is an orthocenter, (CC'⊥AB, BB'⊥AC, AA'⊥BC). Lines AA', BB'and CC' intersect circumscribed circle of △ABC at points A1, B1, and C1 respectively. AA' = 12, AB = 15, CC' = 10, AH = 3. Find the area of △A1 B C.

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

Idont understand math at all! : o( use this scenario to answer the remaining questions: brenton purchased a new bedroom set for $4,500.00. he lives in arizona and pays a 8.75% sales tax. if he made a 50% down payment and financed the rest, what amount did he finance? what is the total sales tax brenton will pay? enter your answer in currency format, round to the nearest cent. what was brenton's total amount financed? enter your answer in currency format, round to the nearest cent.

What is the 12th term of b(n)=-4-2(n-1)