Add.3 + -9
A. 
B. 
C. 6
D. 12
Answer: B
Mathematics
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Answer the following statement(s) true (T) or false (F)
In the field of mathematics, making errors has been an essential part of the process of knowledge development.
Mathematics
Find the center (h, k) and radius r of the circle with the given equation. 3(x + 2)2 + 3(y + 3)2 = 36
A. (h, k) = (2, 3); r = 2
B. (h, k) = (-2, -3); r = 6
C. (h, k) = (-2, -3); r = 2
D. (h, k) = (2, 3); r = 6
Mathematics
Simplify.sin(2x + 7y) + sin(2x - 7y)
A. sin 2x cos 14y B. sin 4x cos 7y C. 2 sin 2x cos 7y D. 2 sin 7y cos 2x
Mathematics
Find the sum.-10 + (-75) + 18 + (-74)
A. 7 B. -177 C. -121 D. -141
Mathematics