Choose the appropriate sketch and description for the indicated geometric object.Equilateral ?ABC
A. 
, 
, 
have different lengths; ?B = 90°
B. 
, 
are the same length
C. 
, 
, 
have different lengths
D. 
, 
, 
are the same length
Answer: D
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Convert the polar equation to rectangular form. Identify the curve.? = 
A. y = - 
x2; a circle centered at (0, 0) with radius 1
B. y = 
x; a line with slope - 
and y-intercept 0
C. x2 + y2 = 1; a circle centered at (0, 0) with radius 1
D. y = - 
x; a line with slope - 
and y-intercept 0
Find a number to replace the question mark so that the given fractions are equivalent.
= 
A. 40 B. 10 C. 60 D. 20
Solve the problem.A summer camp wants to hire counselors and aides to fill its staffing needs at minimum cost. The average monthly salary of a counselor is $2400 and the average monthly salary of an aide is $1100. The camp can accommodate up to 35 staff members and needs at least 20 to run properly. They must have at least 10 aides, and may have up to 3 aides for every 2 counselors. How many counselors and how many aides should the camp hire to minimize cost?
A. 19 counselors and 23 aides B. 13 counselors and 16 aides C. 8 counselors and 12 aides D. 13 counselors and 17 aides
Write the equation in slope-intercept form.11x + 2y = 7
A. y = 
x - 
B. y = 
x + 
C. y = 11x - 7
D. y = - 
x + 