Classify ?ABC using its angles.
right triangle
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Solve the system by the substitution method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. {(-4, 0)}
B. no solution; ?
C. {(0, -4)}
D. infinitely many solutions; {
2x + 6y = 0} or {
-2x - 6y = -4}
Solve the problem.From a point on a straight road, two cars are driven in opposite directions, one at 71 miles per hour and the other at 54 miles per hour. In how many hours will they be 375 miles apart?
A. 3 hours B. Not enough information C. 2 hours D. 4 hours
Solve the problem.Express the area of the following parallelogram as an algebraic expression and then simplify.
A. A = 4x4 - 3x9 B. A = 4x20 - 3x4 C. A = 4x9 - 3 D. A = 4x9 - 3x4
Write a slope-intercept equation for a line with the given characteristics.Passes through (5, -3) and (-9, 0)
A. y = - 
x - 
B. y = - 
x - 8
C. y = 
x - 8
D. y = 
x - 