Find the exact value of the expression in degrees without using a calculator or table.sin-1 (-0.5)
A. 420°
B. -30°
C. 30°
D. 60°
Answer: B
Mathematics
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Solve for the angle ?, where 0 ? ? ? 2?sin2? = 
A. ? = 
, 
, 
, 
B. ? = 
, 
, 
, 
C. ? = 0, ?, 2?
D. ? = 
, 
, 
, 
Mathematics
Factor the difference of cubes.8r3 - 27
A. (2r - 9)(4r2 - 6r + 3) B. (2r - 3)(4r2 - 9) C. (2r + 3)(4r2 - 6r + 9) D. (2r - 3)(4r2 + 6r + 9)
Mathematics
Solve.
The Anderson's are ready to purchase their first home. This home sells for $263,000. The Andersons must put down a 20% down payment and they are required to pay 2 points at closing. Determine the cost of the three points.
A. $526 B. $4,208 C. $5,260 D. $42,080
Mathematics
The sides in the pair of figures are proportional. Find the missing length(s).
A. x = 18 B. x = 13.5 C. x = 22.5 D. x = 24
Mathematics