exam
Maths Puzzle
Numerical Ability
The length of a rectangular piece of sheet steel is 2 in. longer than the width. Find the exact diemnsions if the area of the sheet is 168 sq. in.
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exam Other Question
Use the equation of the exponential function whose graph passes through the points (0,-2) and (2,-50) to find the value of y when x=-2.
Find the following. Assume that variables can represent any real numbers.
sqrt ( a+4 )^2
The a+4 should be in parenthesis with an exponent of 2 in a radical sign. I hope I explained that correctly.