Solve. 15 + 2x - x2 = 0
A. 3, -5
B. 5, -3
C. 5, 3
D. -3, -5
Answer: B
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
Find the area of the shaded region. y = x4 - 32
y = -x4
A. 
B. 
C. 
D. 
Mathematics
Insert grouping symbols so that the expression has the desired value.3 + 2 ? 8 - 2 results in 15
Fill in the blank(s) with the appropriate word(s).
Mathematics
Add.
A. 39,553 B. 53,945 C. 40,753 D. 40,553
Mathematics