exam
Maths Puzzle
Numerical Ability
Use elimination to solve each system of equations.
Find the two numbers whose sum is 51 and whose difference is 13.
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exam Other Question
If an object is thrown upward with an initial veliocity of 64 ft/sec, its height after t sec is given by h = 64t - 16t^2. Find the numbrt of seconds the object is in the air begore it hits the ground.
What is the graph, vertex and intercepts of: y= x^2+3x-1