A small book publisher knows that 15 books weigh 29 lbs. How much do 31 books weigh?

What is the length of the segment joining the points at (4,5) and (6,-2) round to the nearest tenth if necessary

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.

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. 4x^2 + 20x + 25 = 0