Please help. It's algebra

For the first option it is 28y^2 +31y - 10

Step-by-step explanation: Hope this helps

y=3n + 1

step-by-step explanation:

this is wrong because it says the second number is one less and i added one instead

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.