Land on a small Caribbean island is valued at $45 per square foot. What is the value of a triangular lot with sides of lengths 80 ft, 50 ft, and 120 ft?
What will be an ideal response?
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Find the volume of the described solid.The base of a solid is the region between the curve y = 5cos x and the x-axis from x = 0 to x = ?/2. The cross sections perpendicular to the x-axis are squares with diagonals running from the x-axis to the curve.
A. 
?
B. 
?
C. 6?
D. 
?
Solve the problem.Find an equation of the circle that passes through the points (4, 6), (-6, 2), and (1, -3).
A. 
2 + 
2 = 
B. 
2 + 
2 = 
C. 
2 + 
2 = 
D. 
2 + 
2 = 
Solve the system of equations using Cramer's Rule if it is applicable. If Cramer's Rule is not applicable, say so.
A. x = -8, y = -6; (-8, -6) B. x = -6, y = 8; (-6, 8) C. x = 8, y = 6; (8, 6) D. x = 6, y = 8; (6, 8)
Find the slope and y-intercept of the line.y = - 
x - 
A. slope = - 
; y-intercept = 
B. slope = 
; y-intercept = 
C. slope = - 
; y-intercept = - 
D. slope = - 
; y-intercept = - 