Solve the system of equations using matrices.2x - y + 5z = 28x + 
y - 4z = -34
x + 
y - 
z = -3
A. (3, 2, 12)
B. (4, 4, 12)
C. (4, 9, 13)
D. (5, 6, 12)
Answer: B
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Identify the units you would expect for the given quantity.The density of a meteor, found by dividing its mass in kilograms by its volume in cubic meters.
A. kg/m2 B. m3/kg C. kg3/m D. kg/m3
Solve the problem.Use the Huntington-Hill method to apportion eleven seats among State P, State Q, and State R. The populations of the states are State P, 0.75 million; State Q, 1.2 million; and State R, 1.5 million. Begin by giving one representative to each state. List the order in which the representatives are apportioned.
A. R, Q, P, R, Q, R, Q, R, Q, R, R B. R, Q, P, Q, R, P, Q, R, Q, R, P C. R, Q, P, R, Q, R, P, Q, R, Q, R D. R, Q, P, R, Q, R, P, Q, R, Q, P
Rationalize the denominator.
A. 
B. 
C. 
D. 
Decide whether the dose is reasonable or unreasonable. If it is unreasonable, indicate whether it is too much or too little.Take 4 L of cough syrup twice a day.
A.
| Unreasonable, too little |
B.
| Reasonable |
C.
| Unreasonable, too much |