Me pueden ayudar porfavor :(

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

Askate shop rents roller skates as shown on the table below. which graph and function models this situation?

$30 to spend on dinner tax and gratuity at mos restaurant rax is 6% and they give a 15% tip on the total bill after taxes thier dinner cost $21 which statement correctly explains wether andrew and kate have enough money to pay their bill