Solve the system using the inverse of the coefficient matrix of the equivalent matrix equation. 3x + 5y = -102x + 4y = -6
A. (5, -1)
B. (-1, 5)
C. (-5, 1)
D. (1, -5)
Answer: C
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In the figure, the distance from A to D is y, the distance from D to C is x, and the distance from C to B is h.
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If 
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Apply the rules regarding the use of significant digits when determining your answer.
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What will be an ideal response?
Solve the problem.A certain mathematics test consists of 20 questions. Goldie decides to answer the questions without reading them. In how many ways can Goldie fill in the answer sheet if the possible answers are true and false?
A. 1,048,576 B. 40 C. 190 D. 400
Graph the ellipse.16(x - 1)2 + 9(y + 2)2 = 144 
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During a chemical reaction, a compound changes into another compound at a rate proportional to the unchanged amount ?y. Write the differential equation for the chemical reaction model. Find the particular solution when the initial amount of the original compound is 20 grams and the amount remaining after 1 hour is 16 grams. ?
A. ?
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