Find the area of the geometric figure.Use  for ?.

A. 28 sq yd
B. 56 sq yd
C. 254 sq yd
D. 509 sq yd


Answer: C

Mathematics

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The position vector of a particle is r(t). Find the requested vector.The acceleration at t = 3 for r(t) = (9t - 3t4)i  + (10 - t)j + (2t2 - 8t)k

A. a(3) = -81i + 4k B. a(3) = -324i + 4k C. a(3) = -324i - j + 4k D. a(3) = 324i + 4k

Mathematics

Find the indicated probability. Round your answer to 6 decimal places when necessary.One card is selected from a deck of cards. Find the probability of selecting a diamond or a card less than 7 . (Note: The ace is considered a low card.)

A.
B.
C.
D.

Mathematics

Solve the problem.In how many ways can you exactly cover the last two diagrams with "dominoes" that are just the size of two small squares?

Fill in the blank(s) with the appropriate word(s).

Mathematics

Multiply the polynomials using a special product formula. Express the answer as a single polynomial in standard form.(x - 7)2

A. 49x2 - 14x + 49 B. x2 - 14x + 49 C. x + 49 D. x2 + 49

Mathematics