exam Maths Puzzle Numerical Ability

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.

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exam Other Question

Write the equation of the line in slope intercept form that passes through the points (-3,5) and (2,-5)

I need the steps and final answer for this thanks :)
A parabolic arch has a span of 120 feet and a maximun of 25 feet. choose suitable rectangular coordinate axes and find the equation of the parabola. Then calculate the height of th