Ihave $3.20 in quarters and nickels. i have two more quarters i do nickels. how many of each coin do i have?

Which of the following represents the factorization of the trinomial below? x^2+7x-30

The ivring berlin learning center would like a possible net profit of $650,000 on its new resource manual it sells to schools. the fixed costs for producing the manual are $780,000 and the variable cost per package is $19.85. if the estimated unit sales are 1,250,000 units, what selling price unit should the ivring berlin learning center try?

Solve for the equation. 4x - 13 = 2x + 9