Solve the rational inequality and graph the solution set on a real number line. Express the solution set in interval notation. 
? 0
A. (-?, 1] ? [3, ?)
B. (-?, -3] ? (-2, -1) ? [1, ?)
C. (-?, 1) ? (3, ?)
D. (-?, -3) ? (-1, ?)
Answer: A
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Solve the equation for the specified variable.d = rt for r
A. r = d - t
B. r = 
C. r = 
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Draw a valid conclusion from the given premises.If it's not Saturday, then Dad will shave. If Dad has whiskers, then he did not shave. If it's Saturday, then Dad will take us to the game.Therefore....
A. If Dad shaves, then it's not Saturday. B. If Dad takes us to the game, then he has whiskers. C. If Dad has whiskers, then he will take us to the game. D. If Dad did not shave, then he has whiskers.
Find the finance charge and total installment cost of the loan. Round to the nearest cent.Amount financed: $170Down payment: $40Cash price: $210Number of payments: 18Amount of payment: $10.69
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Determine whether or not the function is linear. If it is, determine the slope and interpret it.The height of an object t seconds after being dropped from an altitude of 249 feet is given by the function h(t) = -16t2 + 249.
A. Not linear B. Linear; -16; The height of the object increases 16 feet each passing second. C. Linear; -16; The height of the object decreases 16 feet each passing second. D. Linear; 249; The height of the object decreases 249 feet each passing second.