Fill in the blank with one of the words or phrases listed below.
A(n) 
is a "money per item" unit rate.
A. proportion
B. rate
C. ratio
D. unit price
Answer: D
Mathematics
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Express the given number in exponential form.3.47 + 5.26j
A. 6.30e0.988j B. 3.95e0.583j C. 6.30e0.583j D. 3.95e0.988j
Mathematics
Find the acceleration of an object for which the displacement s (in m) is given as a function of the time t (in s) for the given value of t.s = 
, t = 2 s
A. - 
ft/s2
B. 
ft/s2
C. - 
ft/s2
D. 
ft/s2
Mathematics
Use the order of operations agreement to simplify the given expression.
2 ? 
A. 
B. 
C. 
D. - 
Mathematics
Use the substitution-of-variable technique to solve the system analytically.
+ 
= 
- 
= - 
A. {(9, -4)}
B. 
C. {(4, -9)}
D. {(-9, 4)}
Mathematics