Gayle and jerry had some money. after their mother gave each of them $20, gayle had twice as much money as jerry and jerry had $50 less than gayle. how much money did gayle have at first?

Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6

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.

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!