exam Maths Puzzle Numerical Ability

Hello out there,I need some help with some problems,the first one is,Solve x^2+7x-8=0 by graphing.If the solutions are not exact,estimate the answers by indicating three consecutiv

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exam Other Question

The amount A of money on deposit for t years in an account earning simple interest is a linear function of t. Express that function as an equation if A=$124 when t=2 and A=$184 when t=5.
need help:
ADD:

3
+
2
____
x2

please write out left to right thats how its suppose to be written