According to fundamental theorem of algebra, how many roots exist for the polynomial function f(x)=( x^3-3x+1)^2

The diagram shows a 7cm by 6cm rectangle based pyramid. all the diagonal sides - ta, tb, tc and td are length 10cm. m is midpoint of rectangular base. work out height mt to 1 decimal place

X2 + y 2 = 36 x + y = 6 solve the system of equations.

Tell whether the two rates form a proportion