Simplify. Assume all variables are non-negative real numbers.
A. 3xy
B. 6xy
C. 6xy
D. 6xy
Answer: D
Mathematics
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Find the measures of two angles, one positive and one negative, that are coterminal with the given angle.36°
A. 126°, -54° B. 396°, -144° C. 396°, -324° D. 216°, -144°
Mathematics
Solve the equation.
= 
A. -1 B. 1 C. 2 D. -2
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Find the center and radius of the circle with the given equation. x2 + (y - 10)2 = 25
A. (0, 10); r = 5 B. (0, 10); r = 25 C. (10, 0); r = 5 D. (10, 0); r = 25
Mathematics
Estimate the product by first rounding the factors as indicated.104 × 399 (nearest hundred)
A. 400,000 B. 40,000 C. 300,000 D. 30,000
Mathematics