The polar coordinates of a point are given. Find the rectangular coordinates of the point.(400, 130°) Round the rectangular coordinates to two decimal places.
A. (-257.12, -306.42)
B. (306.42, 257.12)
C. (-257.12, 306.42)
D. (306.42, -257.12)
Answer: C
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Use the right triangle shown below and find the missing length. Give an exact answer and a decimal approximation rounded to two decimal places. 
b = 5, c = 5
A. a = -5
? 7.07
B. a = 5
? 7.07
C. a = 15
D. a = 5
? 8.66
Solve the problem.Hooke's law is applicable to idealized (linear) springs that are not stretched or compressed too far. Consider a nonlinear spring whose restoring force is given by F(x) = 18x - 0.3x3, for |x| ? 9. How much work is done in stretching the spring from its equilibrium position (x = 0) to x = 1.5? Round to two decimal places when appropriate.
A. 38.98 J B. 236.93 J C. 473.85 J D. 19.87 J
Determine the tax rate. Round to the nearest cent or nearest hundredth.Assessed property value: $40,356,000Expenses to be funded by property tax: $2,633,000Tax per amount of assessed value: mill
A. 6.52 mills B. 65.24 mills C. 15.33 mills D. 1.53 mills
Solve the problem.A pool table with a list price of $395 is sold by a wholesaler at a net cost of $252.80. Find the single trade discount rate being offered. Round to the nearest tenth of a percent if necessary.
A. 55.3% B. 64% C. 36% D. 56.3%