A hot air balloon is drifting at an altitude of 2550 ft. The balloon needs to descend to an altitude of 1000 ft. How many feet must the balloon descend?
A. 3550 ft
B. 1550 ft
C. 1600 ft
D. 1650 ft
E. 1450 ft
Answer: B
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Solve the absolute value equation.|x| = 6
A. x = -6 B. x = 36 C. x = -6, 6 D. x = 6
Provide an appropriate response.Convert the inequality to a linear equation by adding a slack variable.x1 + 6x2 ? 35
A. x1 + 6x2 + s1 + 35 = 0 B. x1 + 6x2 + s1 ? 35 C. x1 + 6x2 + s1 < 35 D. x1 + 6x2 + s1 = 35
Find all cube roots of the complex number. Leave answers in trigonometric form.-125i
A. 5 cis 90°, 5 cis °210, 5 cis 330° B. 5 cis 30°, 5 cis °60, 5 cis 90° C. 5 cis 90°, 5 cis °180, 5 cis 270° D. 5 cis °210, , 5 cis 270°, 5 cis 330°
The city's water department charges $8 per month, plus 44 cents for every 100 gallons of water used. Last month, one homeowner used 1,900 gallons and received a bill for $17.98. Was the billing correct? If the billing is not correct, what is the correct billing amount for this homeowner given these facts?
A. no; the billing amount is $15.59 B. yes; the billing amount is $17.98 C. no; the billing amount is $16.36 D. no; the billing amount is $15.38 E. none of these