Hello,
1) Theme Options > WooCommerce (Shop) > Single product page > Single product layout > Product Gallery Slider > Enable, go to Edit product and upload images – http://prntscr.com/tje9li
If this is no what you are looking for, describe the desired result in more detail.
2) Copy cart.php file (xstore/woocommerce/cart folder) to child-theme/woocommerce/cart/
http://prntscr.com/tjecea => http://prntscr.com/tjecz2
href="javascript: history.go(-1)"
Regards