Find an equation for the line with the given properties.The solid line L contains the point (1, 4) and is perpendicular to the dotted line whose equation is 
Give the equation of line L in slope-intercept form.
A. y - 4 = 2(x - 1)
B. y = - 
x + 
C. y - 4 = - 
(x - 1)
D. y = 
x + 
Answer: B
Mathematics
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Graph the inequality.x + 5y ? 3
A. 
B. 
C. 
D. 
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The graphs show the position s, velocity v = ds/dt, and acceleration a = d2s/dt2 of a body moving along a coordinate line as functions of time t. Which graph is which?
A. A = position, B = velocity, C = acceleration B. B = position, C = velocity, A = acceleration C. C = position, A = velocity, B = acceleration D. A = position, C = velocity, B = acceleration
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Perform the indicated operations. Write the result in the form a + bj.
A. 
B. 
C. 
D. 
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Solve the problem.A musician plans to perform 5 selections for a concert. If he can choose from 7 different selections, how many ways can he arrange his program?
A. 21 B. 35 C. 16,807 D. 2520
Mathematics