A chemist has two acid mixtures, one that is 20% HCI (Hydrochloric Acid) and another that is 60% HCI. How much of each mixture should be mixed if the chemist wants to obtain 100ml of acid mixture that is 34%

The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap

Sasha delivers newspapers to subscribers that live within a 4 block radius of her house. sasha's house is located at point (0, -1). points a, b, c, d, and e represent the houses of some of the subscribers to the newspaper. to which houses does sasha deliver newspapers?

Which ordered pair is a solution of the equation? 2x+3y=10