Equation; y=27x+405Step 1: Flip the equation.<span><span><span>27x</span>+405</span>=y</span>Step 2: Subtract 405 from both sides.<span><span><span><span>27x </span>+ 405 </span></span>= <span>y <span> -405 −405</span></span></span><span><span>27x</span>=<span>y−405</span></span>Step 3: Divide everything by 27.<span><span><span><u>27x</u> </span></span>= <span><span><u>y − 405</u> </span>27 27 27</span></span><span>--- dividing by 27 will isolate x which is the goal of solving the equation--- x=<span><span><span>127</span>y</span>−15
A rectangle, presumably, as the cross section is going to be whatever shape the outward faces are (in the case of a vertical cross section like this one)