d(20+a)=16(20+a)^2 July 16, 2020/in /by admin d(20+a)=16(20+a)^2 "Order a similar paper and get 15% discount on your first order with us Use the following coupon "FIRST15" Order Now https://wisdomessays.com/wp-content/uploads/2020/07/logo-300x60.png 0 0 admin https://wisdomessays.com/wp-content/uploads/2020/07/logo-300x60.png admin2020-07-16 12:37:182020-07-16 12:37:18d(20+a)=16(20+a)^2