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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Write the number in scientific notation. One milligram is about 0.015430 grain.
A. 0.1543 × 10-1 B. 15.43 × 10-3 C. 1.543 × 10-2 D. 1.543 × 10-3 E. 0.015430 × 10-2
Mathematics
Solve the problem.A small farm field is a square measuring 310 feet on a side. What is the perimeter of the field? If you double the length of each side of the field, what is the new perimeter?
A. 1240 ft, 2480 ft B. 620 ft, 1240 ft C. 310 ft, 1240 ft D. 620 ft, 2480 ft
Mathematics
Determine if the statement is true or false.- 
? -1.75
A. True B. False
Mathematics
Solve the equation.7(x - 2) = -14
A. x = 0 B. x = -2 C. x = 7 D. x = 2
Mathematics