What is the value of x? Please give explanation

Which of the binomials below is a factor of this trinominal? x^2-13+30

Aclothing store has the sign shown in the shop window. pani sees the sign and wants to buy 3 shirts and 2 pairs of jeans. the cost of each shirt before the discount is $12, and the cost of each pair of jeans is $19 before the discount. write and simplify an expression to find the amount pani pays if a $3 discount is applied to her total

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?