Match the expressions in column A to the equivalent expression in column B.
$x+x+x=$
$12x+9y=$
$3(4x\u20133y)=$
$9\times \frac{1}{9}=$
$3(4x+3y)$
$1$
$3x$
$12x\u20139y$
$\frac{\left(5+2\right)\times 4}{{2}^{2}+\left({1}^{2}+2\right)}$
Which expression is equal to –27?
${3}^{3}$
$9-3$
${\left(-3\right)}^{3}$
$-{9}^{2}$
C.
${4}^{3}$
Solve: ${8}^{2}+2$
66
64
128
10