How many times must a person toss a coin if the chances of obtaining at least one head are 96% or better?
__________ times
Answer: 5
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Evaluate or simplify the given expression.cos-1 
A. 
B. 
C. 
D. - 
Solve.One pump can drain a pool in 9 minutes. When a second pump is also used, the pool only takes 8 minutes to drain. How long would it take the second pump to drain the pool if it were the only pump in use?
A. 
min
B. 71 min
C. 72 min
D. 4
min
Given functions f and g, perform the indicated operations.f(x) = 9x - 9,g(x) = 4x - 2Find f - g.
A. 5x - 7 B. 5x - 11 C. -5x + 7 D. 13x - 11
The graph below indicates the number of new cases of Chalk Dust Disease (CDD) diagnosed each month in the Mathland. Let T(t) represent the total number of new cases per month, F(t) the number of new cases per year among algebraists, G(t) the number of new cases per year among geometers, and t the number of years since January 1, 1990.
Estimate G(7) and interpret its meaning.
A. 1100; In January, 1997, there were about 1100 new cases of CDD diagnosed among algebraists. B. 3400; In January, 1997, there were about 3400 new cases of CDD diagnosed among geometers. C. 2300; In January, 1997, there were about 2300 new cases of CDD diagnosed among geometers. D. 3400; In January, 1997, there were about 3400 new cases of CDD diagnosed.