Choose the most reasonable metric length unit. Choose from km, m, cm, and mm.The boy is 1.9 
tall.
A. km
B. m
C. cm
D. mm
Answer: B
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Solve the problem.A person at the top of a 600 foot tall building drops a yellow ball. The height of the yellow ball is given by the equation src="https://sciemce.com/media/4/ppg__10707191909__f1q62g4.jpg" alt="" style="vertical-align: -4.0px;" /> where h is measured in feet and t is the number of seconds since the yellow ball was dropped. Find the time that the balls are the same distance above the ground and find this distance.
A. 5 sec; 200 ft
B. 4.5 sec; 276 ft
C. 4 sec; 344 ft
D. 5.5 sec; 116 ft
where h is measured in feet and t is the number of seconds since the yellow ball was dropped. A second person, in the same building but on a lower floor that is 
from the ground, drops a white ball 
after the yellow ball was dropped. The height of the white ball is given by the equation
Find the coordinates of the vertex and x-intercepts for the quadratic function.f(x) = -5x2 - 2x - 3
A. vertex 
no x-intercept
B. vertex 
x-intercept (3, 0)
C. vertex 
no x-intercept
D. vertex 
x-intercept (-3, 0)
Use the properties of logarithms to find the exact value of the expression. Do not use a calculator.log10 30 - log10 3
A. 10 B. 3 C. 1 D. 30
Use the figure to find the exact value of the trigonometric function.
?
sec 2?
?
?
a = 1, b = 8
?
A. ?
B. 
C. ?
D. ?
E. 