Solve the problem.The height s of a ball (in feet) thrown with an initial velocity of 70 feet per second from an initial height of 7 feet is given as a function of time t (in seconds) by 
What is the maximum height? Round to the nearest hundredth, if necessary. 
A. 83.56 ft
B. 94.5 ft
C. -54.25 ft
D. 77 ft
Answer: A
Mathematics
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Simplify.-9 + 8 - 20
A. 3 B. 21 C. 19 D. -21
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Let p represent the statement 7 < 8, let q represent the statement 2 < 5 < 6, and let r represent the statement 3 < 2. Find the truth value of the given compound statement.(q ? ~p) ? ~q
A. False B. True
Mathematics
Use the price-demand equation to find the values of p which meet the given condition of elasticity.x = f(p)= 168 - 7p; determine the values of p for which demand has unit elasticity. Round to two decimal places if necessary.
A. Inelastic at p = 12 B. Inelastic at p = 6 C. Inelastic at p = 25.92 D. Inelastic at p = 12.96
Mathematics
Classify the angle as acute, right, obtuse, or straight.55°
A. acute B. right C. straight D. obtuse
Mathematics