If a rectangle has a perimeter of 70, a length of x and a width of x-9, find the value of the length of the rectangle. a)4, b)31, c)13, d)22

Np4=12np2 with clear explanation.

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

Two angles are complementary. the larger angle is 36 more than the smaller angle. what is the measure of the larger angle?