Simplify the expression. Write your answer without negative exponents. Whenever an exponent is negative or zero, assume that the base is not zero.
A. 
B. - 
C. -x2
D. x2
Answer: A
Mathematics
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Provide an appropriate response.Solve the following system of equations: 2x - y = -1 x + 2y = 7
Fill in the blank(s) with the appropriate word(s).
Mathematics
Provide an appropriate response. Find the value of cos 2.45 rad. Round to four significant digits.
A. 0.6378 B. -0.7702 C. 0.9991 D. -0.8280
Mathematics
Use the definite integral to find the area between the x-axis and the graph of f(x) over the indicated interval.f(x) = x2 + 1; [0, 1]
A. 
B. 
C. 
D. 
Mathematics
Find the area of the figure. 
A. 14 square units
B. 
square units
C. 2
square units
D. 4
square units
Mathematics