Randy wanted to survey to determine the most preferred pet of the residents in his city. Which method of sampling BEST represents the most unbiased opinion? A) Survey 50 residents from 5 different areas

B) Survey 100 residents who have pets

C) Survey 100 residents who do not have pets

D) Survey 50 residents in his are who but per food regularly from the supermarket

Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3

In the rectangle below ac=30 units what is de

Raj encoded a secret phrase using matrix multiplication. using a = 1, b = 2, c = 3, and so on, he multiplied the clear text code for each letter by the matrix to get a matrix that represents the encoded text. the matrix representing the encoded text is . what is the secret phrase? determine the location of spaces after you decode the text. yummy is the corn the tomato is red the corn is yummy red is the tomato