the coordinates of an ordered pair have opposite signs. in which quadrant(s) must the ordered pair lie? explain.

Joanie watched 1 out of three of a movie in the morning

Paul’s car is 18 feet long. he is making a model of his car that is 1/6 the actual size. what is the length of the model?

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of