$6.$Given the following code fragment and the input value of $5,$ what output is generated? $(2)$

float tax; float total;

cout $<<$ "Enter the cost of the item

$"$; cin $>>$ total;

if $($ total $>=5\mathrm{.}0)$

$\{$

tax $=0\mathrm{.}14$;

cout $<<$ total $+($total $*$ tax$)<<$ endl;

$\}$

else

$\{$

cout $<<$ total $<<$ endl;

$\}$

$1.5$

$2.5\mathrm{.}7$

$3.11$

$4.11\mathrm{.}4$

$7.$Given the following code fragment and the input value of $3\mathrm{.}0,$ what output is generated? $(2)$

float tax; float total;

cout $<<$ "Enter the cost of the item

$"$; cin $>>$ total;

if $($total $>3\mathrm{.}0)$

$\{$

$\}$

else

$\{$

$\}$

tax $=0\mathrm{.}10$;

cout $<<$ total $+($total $*$ tax$)<<$ endl;

$1.3\mathrm{.}0$

$2.2\mathrm{.}0$

$3.3\mathrm{.}3$

$4.2\mathrm{.}3$

$8.$If x has the value of $3,$ y has the value of $-2,$ and w has the value of $10,$ is the following condition true or false?

$(2)$

if$($ x $<2$ && w $<$ y$)$

$1.$ true && true

true

$2.$ false && false

false

$3.$ false && false

true

$4.$ true && false false