1/2y+3.2y=20 need some help, not very good with functions :/ asap tho pls-

#1-20 state whether the angles are alternate interior, alternate exterior, vertical, or corresponding angles.

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square