Which of the following constants can be added to x2 - 6x to form a perfect square trinomial?

What is the order of operations for 2 + (3 - 9) ÷ -3 · 4 in number order 1. subtraction 2. division 3. addition 4. multiplication

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers