Solve the inequality.x2 + 7x ? -3x - 21
A. -3 ? x ? -7
B. x ? -3 or x ? -7
C. 3 ? x ? 7
D. x ? - 
or x ? 
Answer: A
Mathematics
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Use rational exponents to write a single radical expression.
A. 
B. 
C. 42
D. 
Mathematics
A small country consists of four states (State 1, State 2, State 3, and State 4). The total population of the country is 200,000. The standard quotas are q1 = 64.8, q2 = 89.9, q3 = 39.6, and q4 = 5.7 respectively.Which of the following numbers can be used as a modified divisor under Webster's method?
A. 1000 B. 1004 C. 990 D. 1001 E. none of these
Mathematics
Find the angle of least positive measure coterminal with the given angle.1280°
A. 20° B. 560° C. 110° D. 200°
Mathematics
Graph the polynomial function. f(x) = x4 - 4x2
A. 
B. 
C. 
D. 
Mathematics