book Maths Puzzle Numerical Ability

Write the letter corresponding to the two equations that represent perpendicular lines.



(A) y = 3x - 4
(B) y = 1/3x + 4
(C) y = -1/3x + 4
(D) y = 1/3x - 4

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book Other Question

MATCH EACH SYSTEM WITH THE CORRECT SOLUTION
X-Y=1
X=1/2Y+2

A. (3,2)
B. (3,3)
C.(-2,3)
D.(2,3)
can i have the formula of this "area of a trapezoid given its baes1,base2 ane height"