Evaluate the expression.(-4)-1
A. -4
B. - 
C. 
D. 4
Answer: B
Mathematics
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Use Cramer's rule to solve the system.y = - 
x + 
y = - 2x + 2
A. {(2,-6)} B. {(-2, 6)} C. {(-6,-2)} D. {(6, -2)}
Mathematics
Provide an appropriate response.Identify the numerical coefficient of the following: 
Fill in the blank(s) with the appropriate word(s).
Mathematics
Rewrite the expression with a rational exponent.(
)7
A. (23xy)2/7
B. 
C. 
D. (23xy)7/2
Mathematics
An earthquake has a period of 
second and an amplitude of 35,000µm. Find its measure on the Richter scale.
?
Please enter your answer as a number rounded to one decimal place.
Fill in the blank(s) with the appropriate word(s).
Mathematics