what does it mean by mean number

Find the angle between vector u = 3i + sqrt 3j and vector v=-2i-5j to the nearest degree a) 82 degrees b) 38 degrees c) 142 degrees d) 98 degrees

Compare the solution of x 1 to the solution of x 1

Sarah Wong spent half of her weekly allowance on Candy to earn more money his parents let him clean the gutters for $4.60 what is his weekly allowance if he ended up with $14.20

Suppose query Q1 obtains the median ml of a set S1 of values, and query Q2 obtains the median m2 of a subset S2 of S1. If m1 2, what can be inferred about S1, S2, and the elements of S1 not in S2?

Which of the following best describes the change in the mean when 1213 is included in the data set below? 34,75, 26, 81, 65, 38, 49

Which statements are true fir the following expression (10-2) * (8+7)

The area of a regular octagon is 25 cm2 what is the area with the sides five times as large

What best explains an algebraic expression

The volume of a cone varies jointly as the square of its radius and its height. if the volume of a cone is 99piπ cubic inches when the radius is 3 inchesinches and the height is 3 inches, find the volume of a cone when the radius is 4 inchesinches

There are about 2 x 10^3 books in the Oak school library. There are about 6 x 10^5 books in the Oak township library.