Multiply.3(2r + 7 + 2s)
A. 6r + 7 + 6s
B. 6r + 21 + 6s
C. 6r + 7 + 2s
D. 6r + 21 + 2s
Answer: B
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If the recommended adult dosage for a drug is D (in mg), then to determine the appropriate dosage c for a child of age a, pharmacists use the equation c = 0.0417 D(a+1). Suppose the dosage for an adult is 300 mg. Find the dosage for a newborn.
(a) 299 mg (b) 4.17 mg (c) 15 mg (d) 150 mg (e) none of these
Simplify.22 × 92 - (10 - 2)
A. 316 B. 2592 C. 312 D. 64
Solve the equation. If the solutions involve square roots, give both the exact solutions and the approximate solutions to three decimal places.x2 + 3x - 54 = 0
A. -9, 1 B. -9, 6 C. 9, 6 D. 9, -6
Solve the problem.The perpetual annual rent for a property is $35,000. Find the capital value at 4% compounded continuously.
A. $36,400 B. $985,000 C. $98,500 D. $875,000