5
- 2
A. 55
B. -35
C. 35
D. -55
Answer: C
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Provide an appropriate response.Use a compass and straightedge to construct an angle of 45°.
What will be an ideal response?
Find an equation for the line with the given properties.Perpendicular to the line -7x - 5y = 9; containing the point (-2, -1)
A. -2x + 5y = 9 B. -7x + 5 = -7 C. 5x - 7y = -3 D. 5x + 7y = -3
Decide whether the ordered pair is a solution of the given system.(-1, 5)y = x2 + 62x + y = 5
A. No B. Yes
Solve the problem.Suppose f(x) = 29.9 + 1.4log (x + 1) models salinity of ocean water to depths of 
at a certain latitude. x is the depth in meters and f(x) is in grams of salt per kilogram of seawater. Approximate the salinity (to the nearest hundredth) when the depth is 130 meters.
A. 32.86 B. -26.94 C. 61.91 D. 64.71