The following gives the number of accidents that occurred on Florida State Highway $101$ during the last $4$ months:

$\backslash$table$[[$Month$,$Jan,Feb,Mar,Apr$],[$Number of Accidents,$30,40,60,90]]$

Using the least$-$squares regression method, the trend equation for forecasting is $($round your responses to two decimal places$)$:

hat$(y)=+$

Using least$-$squares regression, the forecast for the number of accidents that will occur in the month of May $=,$ accidents $($enter your response as a whole number$).$