Use a percent proportion to answer the question.62 cats is 20% of what number of cats?
A. 12.4 cats
B. 3100 cats
C. 310 cats
D. 31 cats
Answer: C
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Find the equilibrium point of the demand and supply equations. (The equilibrium point is the price p and number of units x that satisfy both the demand and supply equations.)
a. ( 200,85 )
b. ( 544, 153.8 )
c. ( 600,77 )
d. inconsistent
e. ( 900,71 )
Construct a truth table for the statement.q ? ~p
A. 
| T | T | F |
F T T
F F T
B.
| T | T | T |
F T F
F F F
C.
| T | T | F |
F T T
F F T
D.
| T | T | T |
F T T
F F T
Solve the problem.Two tracking stations are on the equator 146 miles apart. A weather balloon is located on a bearing of N 43°E from the western station and a bearing of N 23°E from the eastern station. How far, to the nearest mile, is the balloon from the western station? Round to the nearest mile.
A. 402 mi B. 390 mi C. 393 mi D. 381 mi
Solve the equation for solutions over the interval [0, 2?). Write solutions as exact values or to four decimal places, as appropriate.sin 
+ cos 
= 0
A. 
B. 
C. {0 , ?}
D. 