$(1$ point$)$

Compute the Riemann sum with $N=M=2$ to estimate the integral of $\sqrt[\phantom{2}]{6x+5y}$ over $R=[0,1][0,1].$

Use the regular partition and midpoints of the subrectangles as sample points.

$($Use decimal notation. Give your answer to three decimal places.$)$

$S=$ help $($fractions$)$