Solve the equation.21 - x = 3x + 5
A. 6
B. 3
C. 4
D. 5
Answer: C
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Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Complete.11 wk = days
A. 264 B. 77 C. 660 D. 154
Assume triangle ABC has standard labeling. Determine if AAS, ASA, SSA, SAS, or SSS is given, and decide if the law of sines or the law of cosines should be used to solve the triangle.b, c, and ?
A. SSS; law of cosines B. SSA; law of cosines C. AAS; law of sines D. SSA; law of sines
Solve the problem.If an object is dropped from a tower, then the velocity, V (in feet per second), of the object after t seconds can be obtained by multiplying t by 32 and adding 10 to the result. Find V as a linear function of t, and use this function to evaluate V(7.9), the velocity of the object at time 
A. V(7.9) = 264.1 ft per sec B. V(7.9) = 260.8 ft per sec C. V(7.9) = 262.1 ft per sec D. V(7.9) = 262.8 ft per sec