The expression below is the factorization of what trinomial? 14x^2 - 39x - 35

Julie goes to the sports store and spends $40.50 before tax. she buys a pair of shorts for $21.75 and 3 pairs of socks that each cost the same amount. how much does each pair of socks cost? $$

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)

The candy store is having a 30% off sale. emma is going to buy $7.50 worth of candy.how much will she pay after the discount