help please nowww helppp!! Solve the system of equations. 2.5y + 3x = 27 5x – 2.5y = 5 What equation is the result of adding the two equations? 1. -8x=32 2. 8x=32 3. 5y+8x=32 4. 8x-5y=32 What is the solution to the system? 1. (-4,6) 2. (-2.75, 8.6) 3. (2.75, 3.5) 4. (4,6)

Which is equivalent to 10/12? options: 10/18 5/6 3/12 9/11

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.

Solve 2x+y=3 x+y=5 in substitution method