Provide an appropriate response.Calculate:
- 
A.
B.
C.
D.
Answer: D
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Solve the problem.If x varies inversely as y2, and x = 5 when y = 12, find x when y = 4.
A. x = 80 B. x = 45 C. x = 75 D. x = 3
Provide an appropriate response.True or False? The quotient of two irrational numbers is always irrational.
A. True B. False
Solve.The function A = A0e-0.0077x models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years since the material was put into the vault. If 900 pounds of the material are initially put into the vault, how many pounds will be left after 80 years?
A. 506 lb B. 486 lb C. 413 lb D. 400 lb
Sketch a vector v that models the given situation and express v as . A tailwind of 49 miles per hour relative to an airplane flying on a bearing of 158° (Round to the nearest whole number.) N
S
A.
v = ![]() |

B.
v = ![]() |

C.
v = ![]() |

D.
v = ![]() |
