Frankie by a new computer he made an initial payment of $50 to the store and he will pay $30 each month until the computer is paid off which equation and represents a relationship between him the number of monthly payments frankie has made into the total amount that Frankie has paid the store. Please I need help with these 10 questions​

Angle xyz is formed by segments xy and yz on the coordinate grid below: a coordinate plane is shown. angle xyz has endpoints at 3 comma negative 1 and 6 negative 2 and 3 comma negative 3 and measures 36.87 degrees. angle xyz is rotated 270 degrees counterclockwise about the origin to form angle x′y′z′. which statement shows the measure of angle x′y′z′?

Vertical angles must check all that apply

Bocephus has a bag full of nickels and dimes. if there are 3 times as many dimes as nickels, and he has $\$36.05$ in his bag, how many nickels does he have?