Help I need help fast ill give brainliest

Aladder that is 30 ft long needs to reach 27 ft up a building. what should the angle of the vertical be?

How do you solving the solution of each system using elimination?

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