How much would $500 invested at 7% interest compounded monthly be worth after 4years? rounded your answer to the nearest cent.

Plzzz plzz maths ! quadratic sequences =an^2+bn 1) 1,6,15,28,45 2)5,18,39,68,105 3) 1,8,21,40,65 4) 7,24,51,88,135 5) -1,2,9,20,35

X+ y = 5 ; x - y =3 solve using linear combination

Geometry - finding area of regular polygons and sectors (check my math, i can’t find the error)