A refrigerator is price a $10,000 a deposit of 16% on simple interest of 11% per year over 2 years and repayment i need someone to please answer this

What constants do you need to add to each of the following quadratic equations to complete the square? 2x2 - 3x = 0 x2 - 8x = 0 2x2 - 11x = 18

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

Alana has 12.5 cups of flour with which she is baking four loaves of raisin bread and one large pretzel. the pretzel requires 2.5 cups of flour to make. how much flour is in each loaf of raisin bread? explain the steps to follow to get the answer.