Solve the system of equations by finding the reduced row-echelon form of the augmented matrix for the syste
2x + y + 4z = 16
5x - 2y + 2z = -1
x + 2y – 32 = -9
a (-1, 2, 22)
c. (-1, 2, 4)
b. (-10, 22, 42)
d (-10, 2, 22)
Please select the best answer from the choices provided

Ms. sutton recorded the word counts and scores of the top ten essays in a timed writing contest. the table shows her data. how does the word count of an essay relate to its score in the contest? word count tends to decrease as the score decreases. word count tends to increase as the score decreases. word count tends to remain constant as the score decreases. word count has no apparent relationship to the score of the essay.

Leo has b boxes of pencils. each box contains 6 pencils. he has a total of 42 pencils. the equation that represents this situation the value of b that makes the equation true the first one is b+6=42,6b=42,b=42+6,or 42b=6 the second one are 7,836 48

What is the binomial expansion of (2x-3)^5