In a survey, 30% of those questioned chose autumn as their favorite season. If 27 people chose autumn, then how many people were surveyed?

Multiplying and simplify fractions 5/6 * 9/10

Use Gauss-Jordan elimination to solve the following linear system. - 4x + 4y + 5z = 9 - 2x + 2y + z = 3 - 4x + 5y = 4

a school ruler has metric on one side and customary units on the other. if the ruler is 12 inches long how many centimeters long is the ruler

By definition, theoretical probability is equal to

Type the correct answer in the box. The product of 2/3 and 3V12 in simplified form is

Which of the following is an arithmetic sequence? 2, 4, 8, 16, ... 12, 4, 4/3, 16/3 ... 1/2, - 1/2, - 3/2, - 5/2 ... 1/2, - 1/2, 1/2, - 1/2 ...

In a equation below, for what value of c does x=4? 1/2 (2x+4) = 3x-c

Which measure describes how all of the values of a data set vary with a single number? 1) mean 2) median 3) mode 4) range

Considering the following scenario, which method would be most appropriate when calculating the margin of error for the population mean? A research scholar wants to know how many times per hour a certain strand of germ reproduces.

Find A n B if A={3,6,9,12} and B={2,4,6,8,10,12}