Use complete sentences to explain in detail how you would use the elimination method to solve the following system of equations: 4x + 9y = 5

-4x + 7y = 11

Your description should include:

-how to find x

-how to find y

-the answer to the system

Prove the divisibility of the following numbers: ! i have no any is 1. 16^5 + 2^15 by 33 2. 15^7 + 5^13 by 30

Oscar and julie ashton are celebrating their 15th anniversary by having a reception hall. they have budgeted $4,500 for their reception. if the reception hall charges a $90 cleanup fee plus & 36 per person, find the greatest number of people that they may invite and still stay within their budget.

Ineed with question three. i don't understand how i'm supposed to achieve 3 marks.