Evaluate the expression.
?

?
A. 63
B. 19
C. 21
D. 2
E. 91
Answer: E
Mathematics
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Identify the equation as either an identity or not. =
A. Not an identity B. Identity
Mathematics
Solve.In Satoru's hometown, the highest temperature ever recorded is 107°F. Convert this temperature to Celsius. Round to the nearest tenth of a degree.
A. 224.6° C B. 41.7° C C. 27.4° C D. 77.2° C
Mathematics
Evaluate the sum. Round to two decimal places, if necessary.
A. -534 B. 351,788 C. 46 D. 534
Mathematics
Find the foci of the given hyperbola.9x2 - y2 = 9
A. (0, ), (0, -
)
B. (0, 3), (0, -3)
C. (3, 0), (-3, 0)
D. (, 0), (-
, 0)
Mathematics