These matrices are equal when 
.
A. 9
B. 6
C. 3
D. 0
Answer: C
Mathematics
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Solve the problem.The stream of water from a fire hose follows a parabolic curve and reaches a maximum height of 65 ft at a horizontal distance of 100 ft from the nozzle. Find the equation that represents the stream, with the origin at the nozzle.
A. y = - 
x2 + 
x
B. y = - 
x2 + 
x
C. y = - 
x2 + 
x
D. y = - 
x2 + 
x
Mathematics
Add the integers.-5 + 3
A. 2 B. 8 C. -8 D. -2
Mathematics
Solve the problem.Kannanaski Rapids drops 69 ft vertically over a horizontal distance of 883 ft. What is the slope of the rapids?
A. -0.001 B. -0.078 C. -12.8 D. -69
Mathematics
Solve the problem.A small company sells stock for 9
dollars per share. How much will 248 shares cost?
A. 2294 dollars
B. 281 dollars
C. 26
dollars
D. 279 dollars
Mathematics