Combine the complex numbers.(3 + 7i) - (-5 + i)
A. 8 + 6i
B. 8 - 6i
C. -8 - 6i
D. -2 + 8i
Answer: A
Mathematics
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Use a calculator to find the trigonometric values. Express your answers in hundredths.tan 48°
A. 1.24 B. 1.11 C. 1.20 D. 1.07
Mathematics
Give the amplitude or period as requested.Amplitude of y = -4 sin x
A. 4
B. 2?
C. -4?
D. 
Mathematics
Provide an appropriate response.Solve for x: ax + 3 = b(x +2)
Fill in the blank(s) with the appropriate word(s).
Mathematics
Identify the equation as either an identity or not.
= 2 sin 2x
A. Not an identity B. Identity
Mathematics