Convert as indicated.2880 square inches = ______ square feet
A. 240
B. 34,560
C. 414,720
D. 20
Answer: D
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Obtain the Cartesian equation of the curve by eliminating the parameter.x = 9 cos t , y = 5 sin t
A. 
+ 
= 1
B. 
- 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Solve the problem.Police use a formula s = S 
, where S is the test-car speed (mph) and L is the test-skid length (feet), to find the actual speed s in an accident which left a skid mark of length l. Find the actual speed (to the nearest tenth) when S = 63 mph, l = 150 ft, L = 100 ft.
A. 77.2 mph B. 113.0 mph C. 51.7 mph D. 94.5 mph
Solve the problem.At about what velocity do you enter the water is you jump from a 15 meter cliff? (Use g = 9.8 m/sec2.)
A. 17 m/sec B. -8.5 m/sec C. 2 m/sec D. -17 m/sec
Use an Euler diagram to determine whether the argument is valid or invalid.All businessmen wear suits.Aaron wears a suit. Therefore, Aaron is a businessman.
A. valid B. invalid