Answer all questions in your notebook.
veronica can send 14 text messages (each with exactly 10 unique emojis! ) in 21
minutes. her friends want to figure out how fast she actually texts.
a.
is this relationship proportional? why or why not?

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