Perform the indicated operation. Write the result in standard form.(-4 - 5i) - (6 - i)
A. -10 - 4i
B. -10 - 5i
C. 10 + 4i
D. -10 + 4i
Answer: A
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Graph the linear inequality.y > 
x
A. 
B. 
C. 
D. 
Find the x- and y-intercepts of the graph of the equation. y = 
A. x-intercept: 5; y-intercept: -5 B. x-intercept: 5; y-intercepts: -5, 5 C. x-intercept: 5; y-intercept: 5 D. x-intercepts: -5, 5; y-intercept: 5
Solve the problem.A formula used to determine the velocity v in feet per second of an object (neglecting air resistance) after it has fallen a certain height is 
where g is the acceleration due to gravity and h is the height the object has fallen. If the acceleration g due to gravity on Earth is approximately 32 feet per second, find the velocity of a bowling ball after it has fallen 90 feet. (Round to the nearest tenth.)
A. 13.4 ft per sec B. 53.7 ft per sec C. 75.9 ft per sec D. 5,760 ft per sec
Solve the problem.A radio telescope has a parabolic surface. If it is 1 m deep and 
wide, how far is the focus from the vertex?A = 16 mB = 1 m
A. 16 m B. 4 m C. 1 m D. 64 m