There is no solution of a system of two linear equations in two unknowns if the graphs of the equations are parallel lines.
Answer the following statement true (T) or false (F)
True
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Find the area of the region specified in polar coordinates.the region enclosed by the curve r = 9 - 6 cos ?
A. 
?
B. 
?
C. 117?
D. 99?
Use multiplication to check the answer. If an answer is incorrect, find the correct answer.
A. Correct B. Incorrect; should be 951 C. Incorrect; should be 950 R26 D. Incorrect; should be 950 R22
Substitute the given values into the formula and then evaluate to find the unknown quantity. Label units in your answer. If the answer is not exact, round your answer to the nearest hundredth.C = 
(F - 32); F = 158° F
A. 316.4° C B. 70° C C. 55.8° C D. 105.6° C
Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.
(
- 
)
A. 10
B. 
C. 
- 
D. 5
+ 5