Simplify the expression -2.5f+0.2f-13-9=
(simplify your answer. use integers or decimals for any numbers in the expression.)

Plss help i need the answer right now
Thank you!​

A20? -foot ladder is placed against a vertical wall of a? building, with the bottom of the ladder standing on level ground 19 feet from the base of the building. how high up the wall does the ladder? reach?

The triangles are similar. what is the value of x? show your work.

3x = 729 solve for x plz . it's urgent. will mark