Determine whether the matrix is invertible by finding the determinant of the matrix.
A. Not invertible
B. Invertible
Answer: A
Mathematics
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Plot the ordered pair in the coordinate plane. In which quadrant or on which axis does the point lie?(4, 0)
A. Quadrant III
B. x-axis
C. x-axis
D. y-axis
Mathematics
Evaluate the line integral of f(x,y) along the curve C.f(x, y) = cos x + sin y, C: y = x, 0 ? x ? 
A. 
B. 2
C. 0
D. 2
Mathematics
Use < or > for ? to write true sentence.- 
? 
A. > B. <
Mathematics
Solve the problem.In order for a chemical reaction to remain stable, its Celsius temperature must be no more than 
Find the Fahrenheit temperatures at which the reaction will remain stable. 
A. F ? 243.68° B. F ? 47.56° C. F ? 47.56° D. F ? 243.68°
Mathematics