Tell whether or not the rational expressions are equivalent.
, 
A. No
B. Yes
Answer: B
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A physician orders codein sulfate gr ss p.o. q4h until further notice. Assume that 30mg tablets are available. How many tablets are required for one dose?
A. 1 B. 2 C. 4 D. 1/2
Use a graphing calculator to solve the system by finding A-1 and A-1B. (Round to the nearest integer if necessary.)-5x - 6y - 5z = -84 3x + 8y + 5z = 92-7x - 3y + 8z = -54
A. {(6, 7, 1)} B. {(5, -9, -1)} C. {(9, 1, 9)} D. {(5, 9, 1)}
Find the solution set for the inequality.|r + 6| > 7
A. {r|-13 < r < 1} B. {r|-1 < r < 13} C. {r|r < -1 or r > 13} D. {r|r < -13 or r > 1}
Find the simple interest and amount for the value of principal P, rate r per year, and time t.P = $9000, r = 4
%, t = 5 years and 4 months
A. $210.00, $9210.00 B. $2100.00, $6900.00 C. $2100.00, $11,100.00 D. $21,000.00, $30,000.00