Solve the problem.A child on a swing sweeps out a distance of 20 ft on the first pass. If she is allowed to continue swinging until she stops, and if on each pass she sweeps out a distance 
of the previous pass, how far does the child travel?
A. 40 ft
B. 60 ft
C. 80 ft
D. 100 ft
Answer: C
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The function s = f(t) gives the position of a body moving on a coordinate line, with s in meters and t in seconds.s = 9t - t2, 0 ? t ? 9Find the body's displacement and average velocity for the given time interval.
A. 162 m, -9 m/sec B. 162 m, 18 m/sec C. -162 m, -18 m/sec D. 0 m, 0 m/sec
Find the required inverse and locate on the number line.Find the additive inverse for - 
and graph on the number line. 
A. 
B. 
C. 
D. 
Solve the problem.50.5% of the students at a certain college are men. If the total number of students at the college is 2200, how many female students are there?
A. 1100 B. 1089 C. 1111 D. 1109
Solve the problem.Each ounce of gold is worth $45.(i) Complete the table to find an expression that describes the total value (in dollars) of n ounces of gold. Show the arithmetic to help you see a pattern.(ii) Evaluate the expression you found in part (i) for n =8. What does your result mean in this situation?
A. (i) 
(ii) 360; $360 is the total value of 8 ounces of gold priced at $45 per ounce.
B. (i) 
(ii) 37; $37 is the total value of 8 ounces of gold priced at $45 per ounce.
C. (i) 
(ii) 53; $53 is the total value of 8 ounces of gold priced at $45 per ounce.
D. (i) 
(ii) 5.63; $5.63 is the total value of 8 ounces of gold priced at $45 per ounce.