Factorise d^2+14d+40​

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.

What are the digits that repeat in the smallest sequence of repeating digits in the decimal equivalent of 24/11?

W-16=-12 solve each one step equation plz