exam Maths Puzzle Numerical Ability

Dave and Sam are racing in the Dallas NASCAR Race. Dave is traveling at 187 mph and Sam at 193 mph. How long will it be before Sam is 3 miles ahead of Dave?

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exam Other Question

3. Take a look at the table below and write out an equation for f(x).
x -2 -1 0 1 2
f(x) -5 -2 1 4 7



A rectangle has vertices Q(5,6), R(5,-3), S(1,-3), and T(1,6). Find

a) the perimeter
b) the area