Solve the problem.A cashier has a total of 132 bills, made up of fives and tens. The total value of the money is $890. How many ten-dollar bills does the cashier have?
A. 23
B. 69
C. 86
D. 46
Answer: D
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Simplify. Assume that no radicands were formed by raising negative quantities to even powers.3
+ 9
A. 12
B. 84
C. 27
D. 12
How many small squares must be shaded to represent the given percentage of the large rectangle shown?35%
A. 15 B. 24 C. 21 D. 27
Write the complex number in trigonometric form r(cos ? + i sin ?), with ? in the interval [0°, 360°).-9 + 12i
A. 15(cos 53.1° + i sin 53.1°) B. 15(cos 233.1° + i sin 233.1°) C. 15(cos 306.9° + i sin 306.9°) D. 15(cos 126.9° + i sin 126.9°)
Solve the problem.If a rock falls from a height of 80 meters on Earth, the height H (in meters) after x seconds is approximately H(x) = 80 - 4.9x2.When does the rock strike the ground? Round to the nearest hundredth, if necessary.
A. 16.33 sec B. 3.33 sec C. 4.04 sec D. 1.83 sec