Using the illustration, find the measure of each acute angle for the right triangle below. Answers are rounded using the appropriate rule for significant digits.b = 1,227 ft, c = 1,378 ft
A. A = 65.43 o, B = 24.57 o
B. A = 30.57 o, B = 59.43 o
C. A = 18.91 o, B = 71.09 o
D. A = 27.07 o, B = 62.93 o
E. A = 57.93 o, B = 32.07 o
Answer: D
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Factor the special product.4x2 + 20xy + 25y2
A. (2x + 5y)2 B. (2x + 5y)(2x - 5y) C. (4x + 1)(x + 25) D. (2x - 5y)2
Find the equation of the circle with a radius of 6 and its center at the intersection of 
and 
.
?
A. ?
B. ?
C. ?
D. 
E. none of these
Solve the rational inequality and graph the solution set on a real number line. Express the solution set in interval notation.
? 0
A. (-?, -8] or [-4, ?)
B. (-8, -4]
C. (-?, -8) or [-4, ?)
D. [-4, ?)
Solve by graphing. Label the axes and show where the solution is located on the graph.Alison sets aside 
each month to spend on books and CDs. If she spends c dollars on CDs in a given month she may spend b dollars on books where 
Graph the equation and use the graph to estimate the amount Alison may spend on books in March if she spends 
on CDs.
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A. $31
B. $35
C. $66
D. $24