Area Between Two Curves

$5.$ Find the area between the curves on the given interval:

$f(x)=x^2$ and $g(x)=x+2$ on $-1,2$

$f(x)=cos(x)$ and $g(x)=sin(x)$ on $0,\frac{}{4}$

$f(x)=x^2+3$ and $g(x)=5-x$ on $0,2$