Find the square root.

A. 162
B. 18
C. 324
D. 36


Answer: B

Mathematics

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Calculate the flux of the field F across the closed plane curve C.F = y3i + x2j; the curve C is the closed counterclockwise path formed from the semicircle  0 ? t ? ?, and the straight line segment from (-2, 0) to (2, 0)

A. - 
B.
C.
D. 0

Mathematics

Write the phrase as an algebraic expression. Let x represent the unknown number.Three times a number, decreased by 68

A. 3x - 68 B. x - 68 C. 3x + 68 D. 3(x - 68)

Mathematics

Decide whether or not the set is closed under addition.{n ? N: n ? 53}

A. Not closed B. Closed

Mathematics

Find the probability.The table lists the eight possible blood types. Also given is the percent of the U.S. population having that type.Let E be the event that a randomly selected person in the U. S. has type B blood. Let F be the event that a randomly selected person in the U. S. has RH-positive blood.Find P(F|E).

A. 0.818 B. 0.340 C. 0.720 D. 0.107

Mathematics