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Chapter 1: Problem 37
Michelle had a medical bill of $$\$ 850$$. After she paid the deductible of $$\$ 500$$, her insurance company paid \(80 \%\) of the remainder. How much more of the bill did Michelle have to pay? A. 70 B. 100 C. 170 D. 280
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Blood is made up of two main elements: (1) plasma, which is largely water and proteins, and (2) the solid components of blood—red blood cells, white cells, and platelets (important for forming clots). If a patient has lost a lot of blood, he or she may receive a transfusion of “whole blood,” which includes red blood cells and plasma. However, sometimes the patient needs only an increase in the volume of liquid in the bloodstream, in which case plasma alone may be substituted. A person must be tested for blood type before receiving certain kinds of transfusions because of differences in the ways that red blood cells react to one another. Under what conditions would such testing be necessary? A. for whole blood transfusions only B. for plasma transfusions only C. for both whole blood transfusions and plasma transfusions D. if the patient has not lost any blood
If \(z=-3\), what is \(\frac{z^3+2 z+3}{z^2+1}\) ? A. 3 B. -1.8 C. -3.6 D. -3
Below is a chart of some common microbe-induced illnesses and their causes. $$ \begin{array}{|l|l|} \hline \text { IIlness } & \text { Cause } \\ \hline \text { Common Cold } & \text { Rhinovirus } \\ \hline \text { Strep Throat } & \text { Streptococcal bacterium } \\ \hline \text { Athlete's Foot } & \text { Candida yeast } \\ \hline \text { Malaria } & \text { Malaria protist } \\ \hline \end{array} $$ Which of the following is most likely treatable with penicillin? A. common cold B. strep throat C. athlete's foot D. malaria
If \(20 \%\) of a shipment of 50,000 tomatoes is crushed during transport and then \(5 \%\) of the remaining tomatoes are lost to insects, then how many tomatoes remain?
Over an 8-year period, Katrina's $$\$ 14,000$$ investment in the stock market increased by \(180 \%\). What was the value of her investment at the end of that period? A. $$\$ 16,520$$ B. $$\$ 25,200$$ C. $$\$ 39,200$$ D. $$\$ 252,000$$
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