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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Hi I need help with this

indicate which quadrant or coordinate axis contains the point.
(a)(3,-5)
(b)(-2,7)
(c)(0,-3)
(d)(-1,-2)
(e)(3,0)
(f)(6,4)
if 2 is subtracted from a number and this difference is tripled, the result is 6 more than the number. find the number.