exam
Maths Puzzle
Numerical Ability
Can you help me solve this equation?
(a + 4)/(b) = (a - 4)/(b) + (b + 4)/(a)
a = ?
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exam Other Question
A person drops an object from a plaza that is 729 feet tall. The height H of the object after T seconds is given by the equation H = -16t squared + 729. Find how many seconds pass before the object reaches the ground.
2x> -6 and x - 4<3
-6 < x + 3 <6
-3x > -6 or x -5 <= 2
x + 3 >= 2x + 1 and -4x< -8