Find the perimeter of the figure.
A.
B.
C. 1313 yards
D.
Answer: A
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Find the divergence of the field F.F = 3x5i + 3y5j + 4z5k
A. 50 B. 15x4 + 15y4 + 20z4 C. 3x4 + 3y4 + 4z4 D. 0
Multiply the polynomials.(4y - 9)(16y2 + 36y + 81)
A. 16y3 + 729 B. 64y3 + 324y2 - 729 C. 64y3 + 729 D. 64y3 - 729
Find the expected value.Mr. Cameron is sponsoring an summer concert. He estimates that he will make $300,000 if it does not rain and make $60,000 if it does rain. The weather bureau predicts the chance of rain is 0.34 for the day of the concert. An insurance company is willing to insure the concert for $150,000 against rain for a premium of $30,000. If he buys this policy, what are his expected earnings from the concert?
A. $180,000 B. $300,000 C. $270,000 D. $239,400
Express each of the following statements in symbols, using <, >, ?, or ?.a is positive.
A. a ? 0 B. a < 0 C. a ? 0 D. a > 0