exam Maths Puzzle Numerical Ability

the quadrilateral with vertices P(6,3), Q(2,-2), R(1,7) and S(x,y) is a parallelogram. Find (x,y) algebraically.

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exam Other Question

Can someone help me on this equation?

I need to complete the order pair so that each is a solution for the given equation:

3x + 4y = 12

pair 1 is (8/3,)
pair 2 is (0,)

Thanks,
Sher What is the value of f(-3) for the function f(x)=4.7x+1.6?

A. -18.3 B. -15.7 C. -12.5 D. 15.7