Solve the inequality.In order for a chemical reaction to take place, the Fahrenheit temperature of the reagents must be at least
. Find the Celsius temperatures at which the reaction may occur. 
A. C ? 78.28°
B. C ? 343.22°
C. C < 343.22°
D. C ? 78.28°
Answer: A
Mathematics
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A. 27.74 B. -16.5 C. 16.5 D. -12.7
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Determine the period of the function.Period of y = 3 cos (4?x + 2?)
A.
B. 4?
C.
D. 2
Mathematics
Multiply or divide by moving the decimal point.1.452 × 1000
A. 1452 B. 145.2 C. 1.45 D. 14,520
Mathematics
A quadratic function always has a limiting value.
Answer the following statement true (T) or false (F)
Mathematics