Use a calculator to perform the indicated operation.16.4 ÷ 0.4(0.3) + (1.7)2
A. 16.69
B. 15.19
C. 12.79
D. 19.59
Answer: B
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Find the indicted product and simplify if possible.The amount of material required to make a spherical shell is given by 
(R - r)(R2 + Rr + r2).
A. 
R3 - 
r3
B. 
R3 + 
R2r + 
Rr2 + 
r3
C. 
R3 - 
R2r + 
Rr2 - 
r3
D. 
R3 - r3
Solve the problem.A patient weighing 160 lb. is to receive 7.7 mg/kg of azithromycin. If each capsule contains 310 mg, then how many capsule should the patient receive? Round up to the next whole capsule if necessary.
A. 2 capsules B. 1 capsules C. 4 capsules D. 3 capsules
Solve the inequality. Write the solution set in interval notation and graph it.-2 ? 5 + 
q ? 9
A. [-7, 4]
B. (-7, 4)
C. (-14, 8)
D. [-14, 8]
Simplify by writing the expression with positive exponents. Assume that all variables represent nonzero real numbers.
A. 87
B. 8-11
C. 8-19
D. 