Graph the polar equation.r cos ? = 4
A. 
B. 
C. 
D. 
Answer: C
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Solve the problem.Bob and Fred play the following game. Bob rolls a single die. If the result is the number 1, 2, 3, 4, or 5 , Bob must pay Fred the number of dollars indicated by the number rolled. If a 6 is rolled, Fred must pay Bob $33. Find Fred's expectation.
A. -$4.00 B. -$3.00 C. $5.00 D. $0.00
Solve the problem.An arch for a bridge over a highway is in the form of a semiellipse. The top of the arch is 30 feet above ground (the major axis). What should the span of the bridge be (the length of its minor axis) if the height 26 feet from the center is to be 11 feet above ground?
A. 44.1 ft B. 27.95 ft C. 55.89 ft D. 141.82 ft
Verify the formula for 
and 
. Is it correct?
?
?
A. no
B. yes
Use the compound interest formula to determine the final value of the given amount.$1,000 at 5% compounded annually for 4 years
A. $1157.63 B. $1215.51 C. $215.51 D. $1276.28