Solve the problem.A projectile is thrown upward so that its distance above the ground after t seconds is 
After how many seconds does it reach its maximum height?
A. 28.5 sec
B. 9 sec
C. 19 sec
D. 38 sec
Answer: C
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Simplify.-3 + 8 ? 4
A. 35 B. -20 C. -29 D. 29
Find all complex roots. Write the answer in polar form, with 0 ? ? ? 360°.Cube roots of 3 - 3i
A. 
(cos 100° + i sin 100°), 
(cos 220° + i sin 220°), 
(cos 340° + i sin 340°)
B. 
(cos 60° + i sin 60°), 
(cos 180° + i sin 180°), 
(cos 300° + i sin 300°)
C. 
(cos 100° + i sin 100°), 
(cos 220° + i sin 220°), 
(cos 340° + i sin 340°)
D. 
(cos 80° + i sin 80°), 
(cos 200° + i sin 200°), 
(cos 320° + i sin 320°)
Solve the problem.Cesaratto's Appliance and Auto Center is having a sale. Find the missing information for the items that were purchased. Round to the nearest cent.Sale price on freezer:
Total price:
Amount of sales tax:$35.90Sales tax rate:7.5%
A. $422.35, $458.25 B. $478.67, $514.57 C. $47.87, $83.77 D. $552.31, $588.21
Tell whether the statement is true or false.13 ? {x | x is an even counting number}
A. True B. False