Please help On a coordinate plane, a point is 4 units to the left and 1 unit down. For the point shown:

The x-coordinate is
The y-coordinate is
.
g The point is in quadrant
.

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