Zebra mussles Use your reasearch to write 3-5 welll constructed paragraphs that answer all of the questions. i will guve brainlest and 50 points ty ​

Find the total area for the regular pyramid ( follow the answer set up in the picture)

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

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