i will give brainliest

If there are 12 moths and some have 31 days and others have 30 days how many have 28 days?

Ineed in figuring out this problem.

Which equation could represent the relationship shown in the scatter plot? y=−3x−2 y=−3/4x+10 y=−2/3x+1 y=9x−12 scatter plot with x axis labeled variable x and y axis labeled variable y. points go from upper left to lower right.