A polynomial function passes through the points P(4,21) and Q(9, c). If the slope of the secant PQ is -3, find the value of c. Show a full algebraic solution to justify your answer.

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

A25- foot ladder leans against a building and reaches a point of 23.5 feet above the ground .find the angle that the ladder makes with the building

Pleas ! its urgent! what is the value of x? enter your answer in the box. mm