Ahouse plan is drawn to a scale of 1 cm=2 metres. what is the length of a window 1.5cm long on the plan?

Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

Will give brainliest immeadeately true or false: the origin woud be included in the solution set for the inequality: y< 2x-5