Yusuf made note of all the bicycles and cars he could see parked or locked on a certain city block. All the cars had exactly four wheels, and all the bicycles
had exactly two wheels. How many wheels were on the block if there were 13
bicycles and 12 cars? How many wheels were on the block if there were x
bicycles and y cars?

50

step-by-step explanation:

in the attachment.   i didn't see your choices.   the word which means there is choices.

step-by-step explanation:

(x,y)

x tells you how much left or right you go from the origin

y tells you how much down or up you go from the origin

so for example (-3,2), you go left 3 and up twice. i denoted which of the ordered pairs is which in my graph.

lol.

it's ok we all do this sometimes.

-aparri