Evaluate.-3.8 + (-8.9)
A. -5.1
B. -12.7
C. 5.1
D. 12.7
Answer: B
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Graph the equation using slope and y-intercept.-3y = -2x - 8
A. 
B. 
C. 
D. 
Write a differential formula that estimates the given change in volume or surface area.The change in the volume V = ?r2h of a right circular cylinder when the height changes from h0 to h0 + dh and the radius does not change
A. dV = ?r2h0 dh B. dV = ?r2 dh C. dV = 2?rh0 dh D. dV = ?r02 dr
Solve the problem.The roof of a building is in the shape of the hyperbola 
where x and y are in meters. Determine the distance, w, the outside walls are apart, if the height of each wall is 11 m.
A. 8.25 m B. 16.5 m C. 13.2 m D. 68 m
Find the slope and the y-intercept of the given line.y = -4x + 7
A. -4, (0, -7) B. 7, (0, -4) C. -7, (0, -4) D. -4, (0, 7)