Solve the equation in the complex number system.x2 + x + 7 = 0
A. 
B. 
C. 
D. 
Answer: B
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Solve the problem.A vertical right circular cylindrical tank measures 
high and
diameter. It is full of oil weighing 
. How much work does it take to pump the oil to the level of the top of the tank? Give your answer to the nearest ft ? lb.
A. 10,640,197 ft ? lb B. 5,320,099 ft ? lb C. 44,334 ft ? lb D. 2,660,049 ft ? lb
Determine whether the statement is true or false.-67 < 0
A. False B. True
The bar graph shows the number of tickets sold each week by the garden club for their annual flower show.
How many tickets were sold during week 4?
A. 19 tickets B. 46 tickets C. 40 tickets D. 59 tickets
Solve the problem.A projectile is fired from a height of 9.8 feet with an initial velocity of 188 ft/sec at an angle of 48° with the horizontal. The parametric equations for the path of the projectile are x = (188 cos 48°)t, and y = 9.8 + (188 sin 48°)t - 16t2,where x and y are in feet and t is in seconds. Determine the maximum height reached by the projectile. Round your answer to the nearest tenth of a foot.
A. 324.6 ft B. 619.8 ft C. 314.8 ft D. 305 ft