Determine the angle measure of the missing angles of AJCS below if AJCS is an isosceles triangle,

Could someone with number 1 and 2

Can you me find the missing length. i attached an image.

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.