Simplify by writing the expression with positive exponents. Assume that all variables represent nonzero real numbers.t-7 ? t4 ? t-6
A. 
B. 
C. t9
D. t17
Answer: B
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Determine the indefinite integral. Check your work by differentiation.
dy
A. 
y3/2 - 12
+ C
B. 
y3/2 + 
+ C
C. 
- 
+C
D. 
y3/2 + 12
+ C
Solve the triangle, if possible. Approximate values to the nearest tenth when appropriate.? = 41°10', a = 4.2, b = 3.2
A. ?1 = 59°58', ?1 = 78°50', c1 = 5.6 ?2 = 120°38', ?2 = 18°10', c2 = 1.6 B. ?1 = 78°58', ?1 = 59°50', c1 = 4.8 ?2 = 18°38', ?2 = 120°10', c2 = 15.7 C. ?1 = 59°46', ?1 = 79°4', c1 = 4.8 ?2 = 120°14', ?2 = 18°36', c2 = 1.6 D. No solution
Solve.Hannah owns 28 acres of land which she rents to a rancher for $2132 per acre per year. Her property taxes are $794 per acre per year. How much profit does she make on the land each year?
A. $60,490 B. $37,464 C. $58,902 D. $81,928
Solve the quadratic inequality by graphing an appropriate quadratic function.x2 - 8x + 7 ? 0
A. (-?, 1] ? [7, ?) B. [1, 7] C. [7, ?) D. (-?, 1]