The expression x(2.15). Evaluate the expression for x=1.4, x=5, and x=6.8. (there should be three answers)

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?

Which polynomial function has x intercepts -1, 0, and 2 and passes through the point (1, -6)

Student price tickets to a movie are $1 and non student tickets are $2. 350 tickets are sold and the total amount made is $450. how many non student tickets were sold ? a) 100 b) 150 c) 200 d)250