at a math competition two students can answer 40 questions in one hour at the same rate how many questions could 5 students answer in 15 minutes

Which of the following equations have complex roots? A. x^2=-7x-2 B. x^2+3x+9=0 C. x^2=5x-1 D. x^2=-7x+2

If a cross section of the paperweight is cut perpendicular to the base but does not pass through the top vertex, which shape describes the cross section? rectangle triangle trapezoid hexagon

Dylan has 765 cards in his baseball card collection. He sells 153 of the cards. What is the percent of decrease in the number of cards in the collection?

Draw a rectangle that has an area of 8 square units and a perimeter of 12 units. What are the side lengths of the rectangle?

Simplify. (w2-3w+5) + (-2w? + 4w+7)

a pizza has a diameter of 16 inches. what is the area of the pizza "in therms of pi"? use the formula A=3.14r^2. 16 inches represents the diameter and you need to find the radius

Can distributive property be used to rewrite 9x (8+4)

Ms. Marshall's grandmother has a delicious recipe for sugar cookies. The recipe calls for 4 cups of flours, 1 1/2 cups of sugar, 3/4 teaspoons of vanilla, 3 eggs, and 2/3 cups of butter. Ms. Marshall wants to make one-third of the recipe.

A quotient of two quantities is called

Amanda and her best friend found some money buried in a field. They split the money evenly each getting 24.28. How much money did they find?