Decide whether the statement is compound.She was singing a Simon and Garfunkel song.
A. Compound
B. Not compound
Answer: B
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Find a polar equation for the circle.x2 + 
x + y2 = 0
A. r = 
sin ?
B. r = - 
sin ?
C. r = 
cos ?
D. r = - 
cos ?
Find the maximum and minimum values of the function and the values of x and y for which they occur.G = 6x + 8y, subject to2x + 4y ? 12,2x + y ? 8,0 ? x ? 6,0 ? y ? 4.
A. Maximum: 68 when x = 6 and y = 4; minimum: 30
when x = 3
and y = 1
B. Maximum: 30
when x = 3
and y = 1
; minimum: 0 when x = 0 and y = 0
C. Maximum: 68 when x = 6 and y = 4; minimum: 0 when x = 0 and y = 0
D. Maximum: 44 when x = 2 and y = 4; minimum: 30
when x = 3
and y = 1
Solve the problem.A tree casts a shadow 19 m long. At the same time, the shadow cast by a 42-cm tall statue is 68 cm long. Find the height of the tree. Round results to the nearest unit.
A. 30 m B. 12 m C. 31 m D. 11 m
Plot and interpret the appropriate scatter diagram.The table gives the times spent watching TV and the grades of several students. 
Which scatter diagram describes the data and the relationship, if any?
A. 
More hours spent watching TV may reduce grades.
B. 
More hours spent watching TV may reduce grades.
C. 
More hours spent watching TV may increase grades.
D. none of these