Solve the problem.The minimum length L of a highway sag curve can be computed by L = 
,where ?1 is the downhill grade in degrees (?1 < 0°), ?2 is the uphill grade in degrees (?2 > 0°), S is the safe stopping distance for a given speed limit, h is the height of the headlights, and ? is the alignment of the headlights in degrees. Compute L for a 55-mph speed limit, where 
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and 
Round your answer to the nearest foot.
A. 552 ft
B. 598 ft
C. 566 ft
D. 582 ft
Answer: C
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Use the check register find the ending balance.Tropical Travel had a balance of src="https://sciemce.com/media/4/ppg__tttt0616190858__f1q36g6.jpg" alt="" style="vertical-align: -4.0px;" /> he wrote two payroll checks: 
in its business checking account on 
The manager made a deposit on the same day for 
and wrote check 
to 123 Electric for 
Then on 
to Alan Hasselbach for 
and 
to Dawn Jacobs for 
On 
he made a 
deposit, and wrote check 
to Fun in the Sun Inc. for 
Record the checks and deposits in Tropical Travel's check register, and then find the ending balance.
A. $4576.56
B. $9162.04
C. $5150.72
D. $6868.74
Solve the problem.Suppose a car rental company charges $110 for the first day and $60 for each additional or partial day. Let S(x) represent the cost of renting a car for x days. Find the value of S(4.5).
A. $320 B. $270 C. $350 D. $380
Find values of x and y such that both fx(x,y) = 0 and fy(x,y) = 0.f(x,y) = 3x2 + 3y2 - 6x - 6y + 2
A. x = 3, y = 3 B. x = 6, y = 6 C. x = 0, y = 0 D. x = 1, y = 1
Solve the problem.If x varies inversely as v, and x = 6 when v = 3, find x when v = 9.
A. x = 6 B. x = 3 C. x = 2 D. x = 9