Divide.
A. x - 4
B. x2 - 4
C. x + 4
D. x2 + 4x - 21
Answer: A
Mathematics
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Solve.4
+ 5 = 17
A. 
B. 9
C. 3
D. 36
Mathematics
Solve the triangle. Round lengths to the nearest tenth and angle measures to the nearest degree.B = 21°C = 112°b = 30
A. A = 47°, a = 63.2, c = 79.6 B. A = 45°, a = 77.6, c = 61.2 C. A = 45°, a = 79.6, c = 63.2 D. A = 47°, a = 61.2, c = 77.6
Mathematics
Find the dimension of the matrix. Tell if the matrix is a square, column, or row matrix, when applicable.
A. 3 B. 4 C. 3 × 3; square D. 2 × 2; square
Mathematics
Determine whether the equation defines y as a function of x. -9x + x2 - 97 = y
A. function B. not a function
Mathematics