Evaluate the rational expression for the given value(s) of the variable(s).
for x = -2
A. - 
B. 
C. 
D. 
Answer: A
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Graph the line described.through (10, 0); m = - 
A. 
B. 
C. 
D. 
Solve the problem using the vector form v = 
[(cos ?)i + (sin ?)j].A weight of 500 lb is supported by a frame made of two rods and hinged at points A, B, and C. Find the forces exerted by the two rods rounded to the nearest pound. 
A. Horizontal rod: 10-lb tension; other rod: 555 -lb compression B. Horizontal rod: 673 -lb tension; other rod: 450-lb compression C. Horizontal rod: 450-lb tension; other rod: 673-lb compression D. Horizontal rod: 555-lb tension; other rod: 747-lb compression
Evaluate by using scientific notation and the laws of exponents. Leave you answer in scientific notation.
A. 1.0 × 10-1 B. 1.0 C. 1.0 × 2 D. 1.0 × 101
Which of the following steps should be applied to solve the equation for x? x/4.2 = -1.36
A) multiply both sides of the equation by –1.36 B) multiply both sides of the equation by 4.2 C) divide both sides of the equation by –1.36 D) divide both sides of the equation by 4.2 E) add 4.2 to both sides of the equation