Solve the problem.Find the temperature at which the Celsius and Fahrenheit scales coincide.

A. -25°
B. 0°
C. 39°
D. -40°


Answer: D

Mathematics

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Is the following a statement? What is its truth value?My favorite baseball team will win the pennant.

A. Statement. The truth value is false. B. Statement. The truth value will be determined in the future. C. Not a statement. The sentence cannot be answered true or false.

Mathematics

Write the negation of the statement.q ? (p ? r)

A. ~q ? (p ? r) B. ~q ? (p ? r) C. ~q ? ~(p ? r) D. q ? ~(p ? r)

Mathematics

Indicate whether the inequality is true or false.10 ? -11

A. True B. False

Mathematics

Find the perimeter of the polygon. 

A.  in.
B. 30
C.  in.
D.  in.

Mathematics