For the measured quantity, state the set of numbers that is most appropriate to describe it. Choose from the natural numbers, integers, and rational numbers.The average speeds of race cars for one lap at Wilmot Speedway
A. Rational numbers
B. Natural numbers
C. Integers
Answer: A
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Solve the problem.Arches in the shapes of parabolas are often used in construction. Find the equation of a parabolic arc that is 26 feet high at its highest point and 30 feet wide at the base, as illustrated in the figure. Place the origin at the midpoint of the base.
A. y = -x2 + 30
B. y = -x2 + 26
C. y = - 
x2 + 26
D. y = 
x2 + 26
A formula is given along with the values of all but one of the variables in the formula. Find the value of the variable not given. Round to the nearest hundredth where necessary.V = 
?r3; r = 2, ? = 3.14
A. 33.49 B. 16.75 C. 100.47 D. 10.67
s is the distance (in ft) traveled in time t (in s) by a particle. Find the velocity and acceleration at the given time.s = 
, t = 3
A. v = - 
ft/s, a = 1.5 ft/s2
B. v = -1.5 ft/s, a = 
ft/s2
C. v = 1.5 ft/s, a = - 
ft/s2
D. v = 
ft/s, a = -1.5 ft/s2
Evaluate -x.x = - 
A. - 
B. 
C. - 
D. 