The sum of negative eighteen and a number is eleven. What is the number? Which equation could be used to solve the problem?

-x + 18 = 11
x + 18 = 11
18 - x = 11
x - 18 = 11

If there are 12 moths and some have 31 days and others have 30 days how many have 28 days?

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0

The table below lists recommended amounts of food to order for 10 party guests. how much of each food item should nathan and amanda order for a graduation party with 55 guests? use the table to answer. item amount fried chicken 16 pieces lasagna 7 pounds deli meats 1.8 pounds sliced cheese 1 and two fifths pounds bakery buns 1 dozen potato salad 2 pounds