In the figure below, a person standing at point A notices that the angle of elevation to the top of the antenna is . A second person standing 37.0 feet farther from the antenna than the person at A finds the angle of elevation to the top of the antenna to be 

varid="variable_id_field" variablename="impvar_5be330fdcbf44d03a1582d4a0" />. How far is the person at A from the base of the antenna? Round your answer to the nearest feet.

?

 

?

 

?



A. 197 ft

B. 194 ft

C. 192 ft

D. 191 ft

E. 195 ft

---

Answer: C

Mathematics

Use a trigonometric substitution to evaluate the integral.

A. ln 6 - ln(1 +  )
B. ln 
C. ln (e³ +  )
D. ln(3 +  ) - ln(1 +  )

List all of the Hamilton circuits for the graph that start with the indicated vertices.Starting B ? C

A. B ? C ? A ? E ? D ? B B ? C ? A ? D ? E ? B B ? C ? D ? A ? E ? B B. B ? C ? A ? E ? D B ? C ? A ? D ? E B ? C ? D ? A ? E B ? C ? D ? E ? A B ? C ? E ? D ? A B ? C ? E ? A ? D C. B ? C ? A ? E ? D ? B B ? C ? A ? D ? E ? B B ? C ? D ? A ? E ? B B ? C ? D ? E ? A ? B B ? C ? E ? D ? A ? B B ? C ? E ? A ? D ? B D. B ? C ? A ? E ? D B ? C ? A ? D ? E B ? C ? D ? A ? E

Solve the problem.Consider the region R bounded by the graph of f(x) =  on the interval [0, 3]. Find the volume of the solid formed when R is revolved about the y-axis.

A. ?
B. 2?
C. ?
D. 2?

Use FOIL to multiply.(z + 3)(z + 8)

A. z2 + 11z + 11 B. z2 + 11z + 24 C. 2z + 24 D. 2z2 + 24