Use a reference angle to find the value. sin (-120°)
A. 
B. 
C. - 
D. 
Answer: C
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Find the limit.
- x
A. 16 B. 8 C. ? D. 0
Express the equation in exponential form.log1/24 = -2
A. 
2 = 4
B. 
-2 = 4
C. 41/2 = 2
D. (-2)1/2 = 4
Identify which of three conceptual models of division (repeated subtraction, partition, missing-factor) best corresponds to the problem.The city bridge has 8 lanes, all carrying equal numbers of cars. If 264 cars drive across the bridge, how many cars cross in each lane?
A. Repeated subtraction B. Missing-factor C. Partition
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 
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
src="https://sciemce.com/media/4/ppg__tttt0521191219__f1q128g4.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. 5.5 sec; 116 ft D. 6 sec; 24 ft