Solve using the quadratic formula.x2 + 
x - 
= 0
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve for the indicated variable.P = 30,000 ? et/3, for t
A. t = 30 ? ln P
B. t = ln (30 P)
C. t = 3 ? ln 
D. t = 3 ? ln 
Mathematics
Evaluate the expression.-73
A. 21 B. -21 C. -343 D. 343
Mathematics
Two milliliters of acetic acid are mixed with 38 mL of water. What is the concentration of this solution?
A. 10% B. 2% C. 5% D. 5.3%
Mathematics
Solve triangle ABC. If necessary, round the answer to the nearest tenth.b = 4, c = 6, A = 85°
A. a = 6.9, B = 35.3°, C = 59.7° B. a = 6.9, B = 59.7°, C = 35.3° C. a = 5.9, B = 59.7°, C = 35.3° D. a = 7.9, B = 35.3°, C = 59.7°
Mathematics