If you were to solve the following system of equations by using a matrix, 4x-y=16 and 2x+3y=-18, what would the coefficient matrix be?

a. 4 - 16 c. 4 - 1

2 - 18 2 3

b. 4 - 1 - 16 d. 4 2

2 3 - 18 - 1 3

Find the equation of the line which passes through the origin and (4,1). enter your solution in the form y

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2/3 of the cost of the sweater is $18

Suppose that there are 10 dimes, 15 nickels and 8 quarters in a bag and one coin is drawn from the bag. what is the expected value of the draw in dollars? (round to the nearest cent.)

Which situation could be represented by - 15? O Having 15 fewer people go to a concert Throwing a ball 15 more times than another player Sleeping 15 more minutes Reading 15 more books one year than in the previous year

Which number is missing in the last step? - 200 - 25 25 200

I have a Math Quiz for You Mathmatizers! I have a 72" 2x4 with 2 cuts/3 pieces The 2nd piece is twice as long as the 1st piece, The 3rd piece is twice as long as the 2nd piece. How long is the 1st piece?

Simplify the expression. 3y^3-2[4y-y (y-3) ]-[2y (y+1) - 3y (y^2-1) ]

Write the 4th degree polynomial function shown by the graph. The factors of the polynomial functions are

Gavin's anemometer measures the wind speed at 44.14 kilometers per hour. 4 times the wind speed 5 hours ago. What was the wind speed 5 hours ago?