Find an equation for the line with the given properties.The solid line L contains the point (-2, 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 + 2)
B. y = 
x + 3
C. y = - 
x + 3
D. y - 4 = - 
(x + 2)
Answer: C
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Write your answer in lowest terms.There are 100 centimeters to a meter. What fraction of a meter is 20 centimeters?
A. 5
B. 
C. 
D. 
Use similar triangles and the fact that corresponding sides are proportional to find the length of the side marked with an x.
A. 9 m B. 4 m C. 6 m D. 3 m
Estimate the sum or difference by rounding each number to the nearest ten.
A. 6,640 B. 6,630 C. 6,600 D. 6,633
Solve the problem.The motion of a projectile that is fired at a 60° angle with the horizontal is given by x = 
t, 
for t in 
Suppose a projectile is fired with an initial velocity of 650 feet per second at an angle of 60° with the horizontal. Find (a) the time when it reaches maximum altitude (b) the maximum altitude.
A. (a) 10.2 sec (b) 1650 ft B. (a) 70.4 sec (b) 29,707 ft C. (a) 35.2 sec (b) 11,434 ft D. (a) 17.6 sec (b) 4951 ft