Solve the problem.If s varies directly as t2, and s = 72 when t = 3, find s when t is 7.

A. 392
B. 168
C. 21
D. 24


Answer: A

Mathematics

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Evaluate the cylindrical coordinate integral.

A. 6? + ln 2 B. 3? + ln 2 C. 3 - ln 2 D. 6 - ln 2

Mathematics

Use a Venn diagram to answer the question.At East Zone University (EZU) there are 724 students taking College Algebra or Calculus. 432 are taking College Algebra, 319 are taking Calculus, and 27 are taking both College Algebra and Calculus. How many are taking Algebra but not Calculus?

A. 697 B. 292 C. 378 D. 405

Mathematics

Write the expression in the standard form a + bi.

A.  - i
B.  - i
C.  + i
D.  - i

Mathematics

Complete the square to write the equation in the form  -  = 1 or   -  = 1. 4y2 - 9x2 - 16y + 18x - 29 = 0

A.  -  = 1
B.  -  = 1
C.  -  = 1
D.  -  = 1

Mathematics