exam Maths Puzzle Numerical Ability

you have $50,000 to invest, you invest some at 5% and the rest at 4%. you earn $2100 in annual interest, how much did you invest at each rate?

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exam Other Question

Apply using the quadratic formula to find the roots of the given function, graph the function.

f(x) = x^2 - 4 HELP PLEASE!!! A rectangle is 19 by 26. fing the angle between the diagonal and the longer side.