Find the sum. Simplify when necessary.(-16) + (-17) + 9
A. 8
B. -24
C. 10
D. 42
Answer: B
Mathematics
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Solve the system. 3x - y = 4 2y + z = 21x + 4z = 24
A. (-4, -8, -5) B. (z + 4, -z + 21, z) C. (4, 8, 5) D. No solution
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics
Solve the triangle.b = 5 cm, c = 7 cm, A = 75°(Round lengths to the nearest hundredth when necessary and angles to the nearest tenth when necessary.)
A. a = 8.48 cm, B = 40.2°, C = 64.8° B. a = 7.48 cm, B = 40.2°, C = 64.8° C. a = 6.48 cm, B = 64.8°, C = 40.2° D. a = 7.48 cm, B = 64.8°, C = 40.2°
Mathematics
Multiply using one of the rules for the square of a binomial. Assume any variable exponents represent whole numbers.(x + y + 12)2
A. x2 + y2 + 24x + 24y + 144 B. x2 + 2xy + y2 + 24x + 24y + 144 C. x2 + 2xy + y2 + 144 D. x2 + y2 + 144
Mathematics