Determine whether the statement is true or false.If a natural number is divisible by 5 and 2, then it must also be divisible by 10.

A. True
B. False


Answer: A

Mathematics

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Simplify. Assume that each variable is nonnegative.5 + 3 - 8 - 3

A. 24 - 15
B. -5 + 2
C. 11 + 2
D. 24 + 2

Mathematics

Refer to the following normal curve, with mean ? and standard deviation ?. A data value of 39 corresponds to a standardized value of

A. 1.25. B. 1.5. C. -1.25. D. -1.5. E. none of these

Mathematics

Write the complex number in rectangular form.-5(cos 120° + i sin 120°)

A. -  + i
B. -  + i
C.  + i
D.  + i

Mathematics

Solve the system by substitution.  x + 2y = -162x + 2y = -22

A. {(-6, -5)} B. ? C. {(6, -6)} D. {(-5, -6)}

Mathematics