Help pls and if possible could you show the steps if not thats fine to

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

Which is the standard form for this number? (4 x 1 100 ) + (8 x 1 1,000 ) + ( 3 x 1 100,000 ) ? a) 0.004803 b) 0.04803 c) 0.0483 d) 0.483

Plzzzz i beg u asap ! what is the equation of this graphed line? enter your answer in slope-intercept form in the box.