$($a$)$ What is the capacitance $($in $$F$)$ of a parallel plate capacitor having plates of area $1\mathrm{.}75$ m$2$ that are separated by $0\mathrm{.}0210$ mm of Pyrex glass?

$($b$)$ What charge $($in $$C$)$ does it hold when $9\mathrm{.}00$ V is applied to it$?$