Find the parabola through (5,14) with vertex (3,2)

Using two or more complete sentences, describe how you can find a vector parallel to b=-2,3

See attachment below and find the equivalent of tan(∠qsr)

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