Translate the problem to a system of equations and then solve.Two angles have a sum of 100°. Their difference is 14°. Find the measure of each angle.
A. 55°, 45°
B. 45°, 59°
C. 57°, 43°
D. 87°, 13°
Answer: C
Mathematics
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Find the determinant of the given matrix.
A. 84 B. -84 C. 60 D. -108
Mathematics
Write the expression in the standard form a + bi.4i(3 - 4i)
A. 16+ 12i B. 12i- 16 C. 12i + 16i2 D. 12i - 16i2
Mathematics
Find the largest open intervals where the function is concave upward.f(x) = -3x2 + 18x + 16
A. (-?, ?) B. (-?, 3) C. None D. (3, ?)
Mathematics
Verify the identity.tan
= 
What will be an ideal response?
Mathematics