Find the exact value of the expression.sin 185° cos 65° - cos 185° sin 65°
A. 
B. - 
C. - 
D. 
Answer: D
Mathematics
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Find the product.(3x + 10)(5x - 7)
A. 8x2 + 29x - 70 B. 15x2 + 29x + 29 C. 15x2 + 29x - 70 D. 8x2 + 29x + 29
Mathematics
Determine whether the vectors u and v are parallel, orthogonal, or neither.u = 
, v = 
A. Parallel B. Neither C. Orthogonal
Mathematics
Multiply. Express the product in lowest terms.
? 
A. 
B. 14z
C. 
D. 
Mathematics
Solve the problem.Hooke's Law for an elastic spring states that the distance a spring stretches varies directly as the force applied. If a force of 25 pounds stretches a certain spring 
then how much will a force of 
stretch the spring?
A. 2 in. B. 175 in. C. 21 in. D. 3 in.
Mathematics