Determine if the given value is a solution to the equation.x2 + 9x = x - 36 ; x = -12
A. Yes
B. No
Answer: B
Mathematics
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Solve.If an earthquake measured 
on the Richter scale, what was the approximate intensity of the earthquake in terms of I0? The magnitude on the Richter scale of an earthquake of intensity I is 
A. 1,600,000 ? I0 B. 1300 ? I0 C. 13,000,000 ? I0 D. 16,000,000 ? I0
Mathematics
Solve the problem.A comet follows the hyperbolic path described by 
- 
= 1, where x and y are in millions. If the sun is the focus of the path, how close to the sun is the vertex of the path? 
A. 6.2 million B. 39 million C. 1.3 million D. 4.9 million
Mathematics
Find the modulus of the number.9i
A. -9 B. 9i C. 9 D. 81
Mathematics
Provide an appropriate response.What is the degree of term 14c2d18?
Fill in the blank(s) with the appropriate word(s).
Mathematics